F190S Fingerprint Door Lock with Keypad Keyless Entry Smart Lock

Multiple WAYS TO UNLOCK: Advanced 3-in-1 Keyless Entry Smart 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: Keyless Entry 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 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 EMERGENCY CHARGING: Smart door lock 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 CUSTOMER SERVICE: If you have product information