Fingerprint Door Lock Biometric Door Knob with Keypad

Product Overview

This advanced biometric door lock integrates cutting-edge security with everyday convenience, delivering a reliable fingerprint door lock solution ideal for homes, offices, hotels, and rental properties. Designed to meet the needs of bedrooms, apartments, and shared living spaces, it offers keyless entry through multiple access methods while maintaining strong protection against unauthorized intrusion. The smart lock features a versatile 4-in-1 access system—fingerprint, numeric password, two mechanical keys, and up to four IC cards—ensuring seamless access for family members, guests, or staff. With rapid recognition speeds and generous user storage capacity, this lock is perfect for busy households or commercial environments requiring secure, efficient entry.

Key Features

• 4-in-1 Access System: Unlock your door using fingerprints, custom numeric passwords, two physical mechanical keys, or up to four IC cards—providing flexible entry options for individuals and groups across different daily scenarios.
• High-Capacity User Support: Store up to 100 unique fingerprints and 50 customizable passwords, making it suitable for large families, small businesses, or frequent visitors without slowing down performance or reducing reliability.
• Upgrade Fingerprint Sensor & 0.5S Recognition: Experience faster, more accurate access with an enhanced optical fingerprint sensor that identifies prints in just 0.5 seconds—minimizing wait times and eliminating frustrating false rejections during routine use.
• Durable Black Finish: Crafted from robust zinc alloy and finished in a sleek black coating that resists scratches, corrosion, and fading, ensuring long-lasting aesthetics and compatibility with modern interior design styles.

Technical Specifications

• Access Methods: Fingerprint, Numeric Password, Mechanical Key (2 included), IC Card (up to 4)
• Fingerprint Capacity: Up to 100 registered users
• Password Capacity: Up to 50 unique codes
• IC Card Support: Compatible with up to 4 programmable cards
• Recognition Speed: 0.5 seconds (average)
• Material: Premium zinc alloy construction with anti-corrosion black finish
• Door Compatibility: Fits standard door thicknesses ranging from 35mm to 45mm (approximately 1.37–1.75 inches)
• Power Requirements: Powered by 4 AA batteries (not included); low-battery alerts notify you before shutdown

Benefits & Use Cases

This intelligent fingerprint door lock is especially valuable in multi-user environments such as family homes, small offices, hotel rooms, co-working spaces, or shared apartment units where quick, secure access is essential. Its fast biometric recognition ensures parents can enter hands-free with children, while backup mechanical keys guarantee you’re never locked out due to dead batteries or technical glitches. The inclusion of IC card support adds significant convenience for property managers, Airbnb hosts, or office supervisors who need to grant temporary access to guests, cleaners, or service personnel without sharing personal credentials.

Whether installed indoors or in semi-outdoor settings like hotel corridors or corporate lobbies, this lock enhances privacy without sacrificing accessibility. The intuitive interface and silent operation make it suitable for nighttime use, while the durable build withstands frequent daily interactions. From busy professionals managing multiple rentals to families seeking peace of mind, this lock delivers both security and ease of use in one streamlined package.

Additionally, the ability to manage access remotely via IC cards means you can revoke permissions instantly—ideal for short-term rentals or temporary staff. Combined with high-capacity storage and rapid response times, the lock scales effortlessly with growing needs, supporting everything from single residents to larger households or small teams.

Important Notes

• Batteries are required for operation but not included—make sure to have four AA alkaline batteries ready before installation.
• Installation should be performed by someone experienced with standard door hardware; professional assistance may be necessary depending on your existing lock mechanism.
• The two included mechanical keys serve as emergency backups and must be stored securely to prevent unauthorized duplication.
• For optimal performance, clean the fingerprint sensor regularly with a soft, dry cloth—never use wet wipes or abrasive materials.
• If the device displays a low-battery warning, replace all four batteries simultaneously to maintain consistent power levels.
• Ensure the door edge is clear of obstructions during installation to allow proper latch engagement.