Fingerprint Door Lock,Smart Door Knob,biometric lock, keypad entry,keyless handle.Ideal for bedroom,home,hotel,office,apartment.Enhances security & convenience. (Black)

【4-in-1】Fingerprint Bedroom Door Lock,Featuring anti-peeking password,fingerprint unlocking,2 mechanical keys,and APP control.With 0.2-second recognition,the door can be opened within 1 second. Supports the addition of 100 fingerprints and 100 passwords.
【Simple Installation】Compatible with both left and right-hand doors. The Bedroom Smart Door Lock is designed to fit U.S. standard doors with back panel sizes of 2-3/8″ (60mm) and 2-1/8″ (70mm), and door thicknesses ranging from 1-1/8″ to 2″-1/8″ (30mm-55mm).
【Upgraded Large Fingerprint Sensor】The updated 140*140DIP sensor offers a 35% larger re cognition area compared to the previous 120*120 sensor resulting in improved accuracy and stability in recognition.
【USB Charging】 Smart door locks include a low-volume alarm and USB ports for emergency power. They need 4 AAA batteries (not supplied).
【Customer Service】Our team provides prompt assistance within 24 hours. Should you have any inquiries about our door locks, please reach out to us. We offer a 12-month warranty, and lifetime technical support.