Fingerprint Door Lock Biometric Door Knob with Keypad Keyless Entry
4.0Editor score
Fingerprint Plus Password Entry
Up to 100 Fingerprints
Easy Installation No Drilling
In this guide
Modern security demands convenience without compromising safety. A biometric door knob offers fast fingerprint access, keyless entry, and smart features that traditional locks cannot match. These devices streamline daily routines while enhancing protection for your home or office spaces.
We evaluated ten leading models based on recognition speed, battery life, installation ease, and overall value. Each product was scrutinized for build quality, user feedback, and technical specifications to ensure only reliable options make our list. Our goal is to guide you toward a secure investment.
Every pick highlights unique strengths, from budget-friendly options to advanced app-controlled units. We include detailed pros, cons, and usage tips to help you decide. Remember that availability and pricing fluctuate, so verify current details before purchasing to ensure you get the best deal available today.
Top 3 Picks for Best Biometric Door Knob
Fingerprint Door Lock Smart Door Handle with Keypad
4.8Editor score
5-in-1 Access Methods
0.2s Recognition Speed
USB-C Emergency Port
GHome Smart Fingerprint Door Lock 4-in-1 with Removable Battery
4.5Editor score
Removable Rechargeable Battery
AI Self-Learning Chip
Local Data Storage
Top 10 Best Biometric Door Knob in 2026 Compared
This table provides a side-by-side view of the top ten biometric door knobs available today. Compare key specifications like unlocking methods, battery types, and special features to find the model that best fits your security needs and budget constraints.
ProductsSpecificationsEditor scorePrice
Best Budget
Fingerprint Door Lock Biometric Door Knob Black
4-in-1 Unlock Methods
100 Fingerprint Capacity
0.5s Recognition Time
Mechanical Keys Included
4.0Editor score
Editor's Choice
Fingerprint Door Lock Smart Door Handle Keypad
5-in-1 Unlock Methods
160×160 DPI Sensor
0.2s Recognition Time
Smart App Control
4.8Editor score
Best Premium
Fingerprint Door Lock Smart Knob Matte Black
3-in-1 Unlock Methods
Rechargeable Battery
Bluetooth App Control
Auto Lock Features
4.2Editor score
Fingerprint Door Lock Smart Knob Silver
3-in-1 Unlock Methods
Rechargeable Battery
Bluetooth App Control
Silent Mode Included
4.2Editor score
Fingerprint Door Lock Smart Door Handle Keypad 2
5-in-1 Unlock Methods
Anti-Peep Passcode
100 Fingerprint Capacity
USB-C Emergency Power
4.8Editor score
Fingerprint Door Lock Biometric Keypad Smart Door Knob
4-in-1 Unlock Methods
400mAh Rechargeable
Backlit Keypad
Silent Mode Option
4.5Editor score
GHome Smart Fingerprint Door Lock 4-in-1
4-in-1 Unlock Methods
AI Self-Learning
Local Data Storage
10000 Unlocks
4.2Editor score
GHome Smart Fingerprint Door Lock 4-in-1 Silver
4-in-1 Unlock Methods
AI Self-Learning
Local Data Storage
Passage Mode Available
4.2Editor score
GHome Smart Fingerprint Door Lock Removable Battery
4-in-1 Unlock Methods
Removable Battery
Indoor Charging
700mAh Capacity
4.5Editor score
Fingerprint Door Lock Biometric Door Knob Silver
4-in-1 Unlock Methods
100 Fingerprint Capacity
0.5s Recognition Time
IC Card Support
3.8Editor score
1. Fingerprint Door Lock Biometric Door Knob with Keypad Keyless Entry – Best Budget Biometric Door Knob
Fingerprint Door Lock Biometric Door Knob with Keypad Keyless Entry
4-in-1 Access Modes
100 Fingerprint Limit
Mechanical Key Backup
USB Emergency Port
This biometric door knob offers an accessible entry point into smart home security. With a solid 4.0 rating, it balances cost and functionality effectively. Users appreciate the 4-in-1 access system combining fingerprint, password, key, and card methods for versatile entry control.
Pros
- Affordable entry price point
- Multiple unlocking options
- No wiring required
- Quick fingerprint scan
- Comprehensive installation kit
Cons
- Requires admin setup first
- Basic design aesthetic
- Battery not rechargeable
We may earn a commission when you buy through this link, at no additional cost to you.
The upgrade fingerprint sensor recognizes prints in under half a second, ensuring smooth daily use. Installation is notably simple, fitting various door thicknesses without professional help. The inclusion of mechanical keys adds a crucial safety net for power or sensor failures.
While the initial setup requires registering an administrator fingerprint strictly, this prevents unauthorized access. The USB port allows emergency power via external banks, though it does not charge internal batteries. These trade-offs are acceptable given the price and functionality balance.
Ideal for budget-conscious homeowners or renters seeking reliable keyless entry. The black finish blends well with most interior styles. For those prioritizing affordability without sacrificing core biometric capabilities, this model stands out as a practical starting solution for smart locks.
Versatile Access Methods
Four distinct unlocking ways ensure flexibility for all family members and guests without needing physical keys constantly.
Simple Installation Process
Designed for DIY setup with included tools and tutorials, making it accessible even for those without hardware experience.
We may earn a commission when you buy through this link, at no additional cost to you.
2. Fingerprint Door Lock Smart Door Handle with Keypad – Editor's Choice Biometric Door Knob
Fingerprint Door Lock Smart Door Handle with Keypad
5-in-1 Unlock Methods
160×160 DPI Sensor
0.2s Recognition Speed
USB-C Emergency Port
Rated 4.8 stars, this smart door handle exemplifies premium performance and reliability. Its 5-in-1 access control covers fingerprint, password, card, app, and keys, catering to diverse security needs. The upgraded sensor area improves recognition accuracy significantly over standard models.
Pros
- Highly accurate sensor
- Fast recognition speed
- Comprehensive backup systems
- Strong user ratings
- Warranty support included
Cons
- Higher price tier
- AAA batteries required
We may earn a commission when you buy through this link, at no additional cost to you.
Recognition occurs in just 0.2 seconds, facilitating quick entry even in cold or dry conditions. The -C port offers modern emergency charging convenience. Users value the low battery alarm and included spare keys that prevent lockouts during power or battery depletion.
Installation fits most US residential doors without drilling, ensuring broad compatibility. The 12-month warranty and lifetime technical support add confidence to the purchase. While it costs more than basic units, the durability and advanced features justify the investment for serious security seekers.
Best suited for those wanting top-tier biometric performance and smart app integration. The reliable customer service ensures long-term satisfaction. If you prioritize speed, accuracy, and comprehensive backup options, this model delivers exceptional value and peace of mind for daily use.
Advanced Sensor Technology
Larger 160×160 DPI sensor area enhances recognition stability and works well with elderly or dry fingerprints easily.
Reliable Emergency Backups
Multiple fail-safes including mechanical keys and USB-C power ensure you never get locked out unexpectedly.
We may earn a commission when you buy through this link, at no additional cost to you.
3. Fingerprint Door Lock Smart Fingerprint Door Knob with Lock Matte Black – Strong Biometric Door Knob Contender
Fingerprint Door Lock Smart Fingerprint Door Knob with Lock Matte Black
3-in-1 Unlock Methods
Rechargeable Battery
Bluetooth App Control
Mode Selection Options
With a 4.2 rating, this matte black knob offers sleek design paired with smart functionality. It supports fingerprint, app, and mechanical key entry. The rechargeable battery simplifies maintenance, lasting up to a year with regular USB-C charging cycles.
Pros
- Rechargeable battery
- Bluetooth app access
- Multiple smart modes
- Modern matte finish
- Easy DIY setup
Cons
- Bluetooth range limited
- Not for weather strips
We may earn a commission when you buy through this link, at no additional cost to you.
Four operating modes including passage, normal, privacy, and silent allow customization for different scenarios. App control lets you manage fingerprints and access records within Bluetooth range. Installation is straightforward, though it is not designed for doors with weather strips.
Low battery notifications via app prevent unexpected power loss. The built-in battery eliminates the need for disposable cells, adding eco-friendly value. While remote access requires a separate gateway, the local Bluetooth control suffices for most bedroom or office uses.
Recommended for modern homes seeking aesthetic appeal and smart features. The rechargeable power system reduces long-term waste. If you want a stylish biometric option with flexible modes and app oversight, this model fits well into contemporary interior designs.
Customizable Operation Modes
Switch between passage, privacy, silent, and normal modes to match your daily privacy and convenience needs effortlessly.
App-Based Management
Manage access records and share fingerprints via app for convenient family coordination without sharing physical keys.
We may earn a commission when you buy through this link, at no additional cost to you.
4. Fingerprint Door Lock Smart Fingerprint Door Knob with Lock Silver – Reliable Silver Biometric Door Knob
Fingerprint Door Lock Smart Fingerprint Door Knob with Lock Silver
3-in-1 Unlock Methods
Rechargeable Battery
Bluetooth App Control
Auto Lock Function
This silver finish knob matches similar features to the matte black variant with 4.2 rating. It combines fingerprint, app, and key access for reliable security. The rechargeable battery ensures sustainable operation with USB-C charging and low battery alerts through the app.
Pros
- Elegant silver finish
- Long battery life
- Bluetooth integration
- Silent operation mode
- Easy installation
Cons
- Requires gateway for remote
- Not weather strip compatible
We may earn a commission when you buy through this link, at no additional cost to you.
Mode selection provides flexibility for different rooms or times of day. The silent mode reduces noise, ideal for libraries or bedrooms. Auto-lock functionality after five seconds maintains consistent security without manual intervention, reducing user error risks significantly.
Installation suits standard doors with screwdriver setup, no extra tools needed. The battery life supports up to a year of normal use. While remote access needs a gateway, local Bluetooth control handles daily tasks well for most users prioritizing aesthetics.
Ideal for homeowners wanting a polished look with smart capabilities. The rechargeable system minimizes waste and maintenance. If you prefer silver hardware and need dependable biometric access with app control, this offers a balanced mix of style and utility.
Stylish Design Choice
Silver finish complements modern interiors, adding visual appeal without sacrificing functional performance or ease of use.
Consistent Security Features
Auto-lock and silent modes ensure your door stays secure and quiet without requiring constant manual attention daily.
We may earn a commission when you buy through this link, at no additional cost to you.
5. Fingerprint Door Lock Smart Door Handle with Keypad 2 – High-Value Biometric Door Knob
Fingerprint Door Lock Smart Door Handle with Keypad 2
5-in-1 Access Options
Anti-Peep Passcode
100 Fingerprint Limit
USB-C Emergency
Matching the 4.8 rating of the earlier model, this version includes anti-peep passcodes for added privacy. The 5-in-1 unlock system covers fingerprint, passcode, card, app, and keys. The sensor area is larger, ensuring higher accuracy even with difficult fingerprint conditions.
Pros
- High security rating
- Anti-peep feature
- Robust sensor area
- Fast unlocking speed
- Strong warranty terms
Cons
- Requires AAA batteries
- Slightly higher cost
We may earn a commission when you buy through this link, at no additional cost to you.
Emergency USB-C port prevents lockouts during battery failure. Mechanical backup keys and IC cards provide redundant access routes. The 12-month warranty plus lifetime technical support offers long-term reliability assurances for residential or rental property management.
Installation is DIY-friendly with standard door fit and no drilling required. The 0.2-second recognition speed ensures quick entry. While it uses disposable AAA batteries, the overall performance and support make it a strong contender for those prioritizing security and peace of mind.
Great for families or landlords needing robust control over access. Anti-peep codes prevent shoulder surfing. If you value high ratings, multiple backup methods, and reliable customer support, this model delivers premium performance at a competitive market position.
Anti-Peep Security
Enter random digits around your passcode to mask the true PIN from prying eyes during entry.
Comprehensive Support Plan
Warranty and lifetime technical assistance ensure issues are resolved quickly, maintaining long-term satisfaction.
We may earn a commission when you buy through this link, at no additional cost to you.
6. Fingerprint Door Lock Biometric Keypad Smart Door Knob – Feature-Rich Biometric Door Knob
Fingerprint Door Lock Biometric Keypad Smart Door Knob
4-in-1 Unlocking
400mAh Rechargeable
Backlit Keypad
Low Battery Alert
This 4.5-rated smart knob balances advanced features with practical battery management. The 400mAh rechargeable battery provides a year of standby power. The backlit keypad aids night-time entry, and silent mode reduces noise for shared spaces like offices or apartments.
Pros
- Long battery standby
- Backlit keypad
- Silent mode option
- Guest passcodes
- Anti-peep protection
Cons
- Requires gateway for remote
- Charging takes hours
We may earn a commission when you buy through this link, at no additional cost to you.
Anti-peep passwords enhance security against observation. One-time guest passcodes allow temporary access without sharing permanent codes. Low-battery alerts prevent unexpected shutdowns. Mechanical keys included ensure backup access, reducing lockout risks significantly in emergency situations.
Installation fits standard US doors with a 15-minute DIY setup. Adjustable latches accommodate various door thicknesses. While remote access needs a gateway, the app works locally for managing users and monitoring logs effectively for daily household or small office needs.
Recommended for modern homes needing rechargeable convenience and smart features. The combination of silent mode, guest codes, and alerts makes it versatile. If you want a reliable, feature-rich unit without disposable batteries, this model delivers balanced security and usability.
Convenient Keypad Lighting
Backlit keypad ensures visibility in dim conditions, making night-time entry safe and easy without extra light.
Flexible Access Control
Guest passcodes and anti-peep features allow secure sharing of entry without compromising permanent credentials or privacy.
We may earn a commission when you buy through this link, at no additional cost to you.
7. GHome Smart Fingerprint Door Lock 4-in-1 – Advanced Biometric Door Knob
GHome Smart Fingerprint Door Lock 4-in-1
4-in-1 Unlocking
AI Self-Learning
Local Data Storage
10000 Unlocks
Rated 4.2, this lock uses AI self-learning to improve recognition over time. It stores fingerprint data locally for enhanced privacy. The 4-in-1 system covers fingerprint, password, app, and keys. Auto-lock in five seconds ensures consistent security without user input.
Pros
- Self-learning algorithm
- No cloud storage
- Long battery life
- Auto-lock feature
- Versatile usage
Cons
- Bluetooth limited range
- Battery charging time
We may earn a commission when you buy through this link, at no additional cost to you.
The 400mAh battery supports 10,000 unlocks or over 300 days of use. Pass modes and silent modes tailor the lock to specific needs. Mechanical keys offer backup access. Installation fits apartment or office doors with standard thickness compatibility for broad usability.
Remote access requires a separate gateway, but Bluetooth app control handles daily tasks well. Low battery indicators prevent unexpected power loss. The self-learning chip adapts to your usage patterns, reducing false rejections over extended periods of regular daily use.
Best for privacy-conscious users wanting intelligent features. Local data storage avoids cloud risks. If you value AI adaptation and solid battery life with app management, this model provides strong performance and flexibility for home or office security applications.
Privacy-First Storage
Local data storage keeps your biometric info on-device, avoiding cloud risks and enhancing personal security.
AI Adaptation
The self-learning chip improves accuracy over time, adapting to your fingerprint patterns for smoother access.
We may earn a commission when you buy through this link, at no additional cost to you.
8. GHome Smart Fingerprint Door Lock 4-in-1 Silver – Premium Biometric Door Knob Option
GHome Smart Fingerprint Door Lock 4-in-1 Silver
4-in-1 Unlocking
AI Self-Learning
Local Data Storage
Auto-Lock Included
Matching features with the black variant but in silver, this lock offers 4.2 rating performance. The AI self-learning chip refines recognition accuracy over time. Local storage ensures privacy. Auto-lock in five seconds maintains security automatically without manual engagement from users.
Pros
- Stylish silver design
- AI adaptation
- No cloud data
- Long battery life
- Passage mode
Cons
- Requires gateway remote
- Charging duration
We may earn a commission when you buy through this link, at no additional cost to you.
The 400mAh battery provides extensive unlock capacity and long standby time. Silent and passage modes allow flexible control for different usage scenarios. Mechanical keys ensure backup access in emergencies. Installation suits standard residential or commercial doors with simple setup.
Bluetooth app manages users and logs locally. Remote access needs a separate gateway but remains optional. The self-learning feature reduces false rejections as usage continues. This model appeals to those prioritizing privacy and smart technology in a sleek finish.
Ideal for offices or homes wanting adaptable smart locks. The silver finish adds modern appeal. If you need AI-enhanced reliability and local data security with versatile modes, this lock provides a robust solution for daily access management needs.
Modern Aesthetic Appeal
Silver finish integrates well with contemporary decor, combining looks with high-performance smart lock capabilities and reliability.
Smart Feature Set
AI self-learning and local storage offer advanced security with minimal user input, ensuring consistent performance.
We may earn a commission when you buy through this link, at no additional cost to you.
9. GHome Smart Fingerprint Door Lock Removable Battery – Premium Biometric Door Knob Choice
GHome Smart Fingerprint Door Lock Removable Battery
4-in-1 Unlocking
Removable 700mAh
Indoor Charging
AI Self-Learning
Rated 4.5, this innovative lock features a removable rechargeable battery for indoor charging. This eliminates outdoor power bank hanging or lock removal. The 700mAh battery lasts over 300 days. AI self-learning ensures high accuracy and local storage keeps data secure.
Pros
- Removable battery design
- Indoor charging safety
- High capacity battery
- Local data storage
- Auto-lock options
Cons
- Gateway needed remote
- Charging separate step
We may earn a commission when you buy through this link, at no additional cost to you.
Auto-lock settings are customizable from five to 1800 seconds. Low-battery alerts and Type-C emergency power add backup safety. The 4-in-1 access covers fingerprint, keypad, app, and keys. Installation is renter-friendly, fitting most standard doors without drilling or modifications.
The anti-peep keypad adds extra security against observation. Local data storage avoids cloud risks entirely. While remote access needs a gateway, the app handles daily management within Bluetooth range. This model stands out for safety and convenience in charging and design.
Best for those wanting top-tier convenience and safety. The removable battery simplifies charging significantly. If you prioritize indoor charging, AI adaptation, and robust security features with local storage, this offers a premium smart lock experience worth considering.
Indoor Charging Convenience
Remove battery to charge indoors like a phone, avoiding weather exposure and ensuring safer charging routines.
Enhanced Security Storage
Local data storage prevents cloud breaches, keeping your biometric information secure on the device only.
We may earn a commission when you buy through this link, at no additional cost to you.
10. Fingerprint Door Lock Biometric Door Knob with Keypad Keyless Entry Silver – Value Biometric Door Knob
Fingerprint Door Lock Biometric Door Knob with Keypad Keyless Entry Silver
4-in-1 Access
100 Fingerprint Limit
0.5s Scan
IC Card Support
This silver unit offers similar features to the black version with a 3.8 rating. The 4-in-1 access covers fingerprint, password, keys, and IC cards. Fingerprint scans take under half a second. It fits various wooden doors with simple installation tools provided.
Pros
- Budget-friendly price
- Multiple access modes
- Simple setup
- Card entry included
- No wiring needed
Cons
- Lower user rating
- Basic sensor speed
We may earn a commission when you buy through this link, at no additional cost to you.
First-time use requires strict admin registration to prevent unauthorized access. USB port allows emergency power but not battery charging. It includes four IC cards for added access options. This model targets cost-conscious buyers needing basic smart lock functionality.
While slower recognition than premium units, it delivers core convenience effectively. The lack of rechargeable options adds recurring battery costs. It suits offices or apartments where budget is key. Overall, it provides essential keyless entry without significant complexity.
Best for users prioritizing lowest price. The silver finish matches decor needs. If you want multiple unlock methods and simple setup without premium costs, this unit provides functional biometric entry for everyday basic security requirements and needs.
Cost-Effective Solution
Provides essential smart features at an affordable price, suitable for entry-level security needs.
Multiple Entry Options
Includes fingerprint, password, and card access for flexible user management across different family members or guests.
We may earn a commission when you buy through this link, at no additional cost to you.
Buying Guide – How to Choose the Best Biometric Door Knob
Selecting the right biometric door knob involves assessing several key factors to ensure it fits your security and lifestyle needs. Consider recognition speed, battery management, smart features, and compatibility with your door structure for optimal performance.
Recognition Speed and Accuracy
Fast recognition under one second ensures smooth entry and reduces waiting time, especially in busy households or offices. High-resolution sensors improve accuracy with dry or elderly fingerprints. Look for models with AI self-learning to adapt over time.
Prioritize units with quick scans and large sensor areas for reliable daily performance and fewer failed attempts.
Battery Type and Management
Rechargeable batteries offer eco-friendly long-term use, while disposable ones are easier to replace. Check battery life claims like a year of standby or thousand unlock counts. Removable batteries simplify indoor charging and reduce downtime.
Choose based on convenience; rechargeable systems reduce waste but require charging cycles. Verify power ports for emergency backup options.
Unlocking Methods
More methods like fingerprint, password, card, app, and keys provide flexibility. Ensure the model supports enough user profiles for your household. Multi-factor access adds layers of security and convenience for different situations.
Select a system with at least four access ways to cover all needs without relying on a single method daily.
Smart App Integration
App control enables user management, access logs, and remote lock/unlock. Bluetooth limits range, while gateways enable remote access. Check compatibility with your smartphone and whether extra hardware is needed for full features.
Decide if local app control suffices or if remote access is essential for managing guest entry from afar.
Installation Requirements
DIY-friendly installation without drilling saves time and cost. Measure door thickness and backset to ensure fit. Some models exclude weather strips. Verify included tools and tutorials ease the setup process significantly.
Confirm dimensions match your door to avoid compatibility issues. Simple setups reduce reliance on professionals and speed installation.
Security Features
Auto-lock, silent mode, anti-peep passcodes, and local data storage protect against threats. Self-locking ensures doors stay secured. Anti-peep codes prevent observation. Local storage avoids cloud vulnerabilities.
Look for multiple security layers including automatic locking and privacy-focused data handling for comprehensive protection.
Warranty and Support
Long warranties and responsive support ensure longevity and help resolve issues quickly. Check for lifetime technical assistance and return policies. Strong after-sales service indicates manufacturer confidence in product quality.
Prioritize brands offering extended warranties and accessible support channels for peace of mind and reliability.
Design and Aesthetics
The knob should complement your interior style with finishes like black or silver. Consider build quality for durability. Match the look with existing hardware for a cohesive appearance without compromising functionality or usability.
Choose designs that blend visually while offering robust performance to enhance both security and home appearance.
How to Use and Care for Your Biometric Door Knob
Install the device by aligning the interior and exterior knobs according to the UP sign, ensuring the spindle bar is vertical. Use the included tools to tighten screws securely. Avoid forcing parts and refer to video tutorials if available.
Register your administrator fingerprint first to prevent unauthorized access. Add other users' prints via the app or device settings. For password access, set unique codes and enable anti-peep mode for extra privacy protection during daily entry.
Monitor battery levels regularly and charge or replace as needed. Clean the sensor surface gently with a soft cloth to avoid smudges affecting recognition. Keep mechanical keys handy for emergencies and store them in a safe accessible location.
Frequently Asked Questions
Can I use a biometric door knob with weather strips?
Some models are not suitable for doors with weather strips due to clearance and sealing issues. Always check the product specifications for compatibility before purchase. If your door has weather stripping, consider a lock designed to accommodate it or consult support for advice.
What happens if the battery dies?
Most biometric knobs include mechanical key backup or USB emergency power ports to prevent lockouts. Some models have low battery alerts via app to warn you in advance. Keep spare keys stored safely and use emergency power sources like banks if available.
How many fingerprints can I store?
Capacity varies by model, typically ranging from 20 to 100 fingerprints. Some advanced units allow up to 100 for multiple users. Check individual product details for exact limits. If you have a large family or frequent guests, higher capacity options are better.
Do I need a gateway for remote access?
Basic app control works via Bluetooth within range, but remote access requires an optional gateway device. Confirm this requirement in the product features. Without a gateway, you can manage users locally but not unlock remotely from far away.
Is data stored locally or in the cloud?
Many modern models store fingerprint data locally to enhance privacy and security. This avoids cloud risks like data leaks. Check the product details to confirm local storage versus cloud options for your peace of mind and security.
Can these be used for rental properties?
Yes, these locks are popular for apartments and Airbnbs due to easy installation and removable batteries. They allow temporary passcodes for guests without key handover. Verify lease agreements and consult landlords if needed before installing changes to doors.
Final Thoughts on Choosing the Best Biometric Door Knob
Our top picks cover diverse needs from budget-friendly models to premium units with removable batteries and AI features. Each option balances speed, security, and convenience effectively. Evaluate your priorities like app control and battery type to narrow down choices.
Focus on recognition accuracy, battery management, and installation compatibility. Additional features like auto-lock and local storage enhance daily usability and security. Select a model that fits your door size and usage patterns for long-term satisfaction and reliability.
Remember that availability and pricing may change over time. Check current listings before purchasing to ensure the best value. With the right biometric door knob, you can enjoy seamless keyless access and enhanced security for your home or office spaces.