- 3 WAYS TO UNLOCK : This advanced 3-in-1 keyless biometric door lock offers three secure access methods: fingerprint recognition, an anti-peep virtual password, and a physical key. Store up to 50 fingerprints with a biometric recognition rate of 99%, allowing for quick access in just 0.3 seconds. Two mechanical keys are included for emergency use, providing peace of mind and convenience. - SIMPLE INSTALLATION : Designed for US standard doors, this fingerprint door lock fits backsets of 2-3/8" (60mm) and 2-1/8" (70mm) and accommodates door thicknesses from 1-3/8" to 2-1/8" (35mm - 55mm). Installation is hassle-free with no wiring or drilling required; simply use a small screwdriver for a quick setup. The adjustable latch ensures compatibility with most doors. - EMERGENCY CHARGING : With low power consumption, this lock operates on 4 AAA batteries (not included) and can last up to 12 months based on usage frequency. A low battery reminder alerts you when it’s time to replace the batteries. An emergency USB charging port and traditional key access provide additional security and reliability. - SAFE AND RELIABLE : This fingerprint door lock enhances security for your office, apartment, or personal spaces. Made from durable zinc alloy, it is anti-corrosive and features a sleek, stylish design that complements any environment. Enjoy a higher level of security and privacy protection for your home, office, hotel, or other private areas. - USE SCENARIOS : Ideal for busy professionals needing quick access, families wanting enhanced home security, or property managers looking for efficient access solutions. This smart lock ensures your spaces remain secure while providing convenient entry options.