Fingerprint Door Lock-Smart Door knob, biometric Door Lock, with Black APP

Fingerprint Door Lock-Smart Door knob, biometric Door Lock, with passcode keypad keyless Entry Door Handle, Fingerprint Code Door knob for Bedroom Home (Black APP). Fingerprint bedroom door lock: fingerprint + password + 2 mechanical keys + APP control, 0.3s recognition, 1s to open the door, 100 fingerprints and 50 passwords can be added? The new 160160DIP sensor has a 35% larger recognition area than the old 120120 sensor, making the recognition more accurate and stable. Fingerprint Door knob It has a low battery alarm function and comes with a USB port for emergency charging. Requires 4 AAA batteries (not included)?

Suitable for left and right doors. The bedroom smart door lock is designed to fit US standard doors with back panel sizes of 2-3/8 inches (60mm) and 2-1/8 inches (70mm), and door thicknesses from 1-1/8 inches to 2"-1/8" (30mm-55mm)? PLEASE MESSAGE US IF YOU HAVE ANY OTHER QUESTIONS, AND MANY THANKS FOR READING ALL OF THIS.