Millionhome Fingerprint Smart Door Lock with App Code Backup Key Fingerprint Smart Door Knob Keyless Entry Door Lock with Handle for Home Hotel Office

3 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. DIY INSTALLATION : Fingerprint door lock is designed to fit US standard door, Backset 2-3/8???(60mm) and 2-1/8???(70mm), door thicknesses from 1-3/8” to 2-1/8”(35mm -55mm). No wiring and no drilling. Fit both left handed and right handed doors. Boarding HOMEOWNER Fingerprint door lock providing your room with an added level of safety, it is simplistic design for office, apartment or other private spaces. EMERGENCY CHARGING : Keypad door knob requires 4 AAA batteries (included), According to the frequency of use, it can be used for up to 12 months.Anti-peep virtual password.Physical Key, fingerprint recognition rate up to 98% and open the door just need 1 second.