EMERGENCY CHARGING: Keypad door knob requires 4 AAA batteries, According to the frequency of use, it can be used for up to 12 months; It has low battery reminder function, equipped with a Type-C interface for emergency charging
Self-installation: Biometric door lock is compatible with US standard doors, with backsets of 2-3/8" (60 mm) and 2-1/8" (70 mm), fitting door thicknesses from 1-3/8" to 2-1/8" (35 mm - 55 mm). No wiring or drilling required. Suitable for both left and right handed doors.
MULTIPLE WAYS TO UNLOCK: Advanced 3-in-1 Keyless Biometric door lock: Fingerprint + Anti-peep virtual password + Physical Key, fingerprint recognition rate up to 98% and open the door just need 1 second, you can add 50 groups fingerprints, Eliminate the trouble of forgetting to bring the key when you go out
Boarding and HOMEOWNER: Fingerprint door lock providing your room with an added level of safety, it is simplistic design for office, apartment or other private spaces
CUSTOMER SERVICE: If you have information you would like to know and any questions, we will get back to you within 24 hours