Geek Smart Biometric Door Knob Fingerprint Keyless Entry Door Locks with Handle Door Lever for Homes/Apartments/Office/AirBnB/Ho

Lock and unlock your door in a single motion - by scanning your fingerprints as you grip the door handle A lightning speed 01 seconds is all that is required to open Much faster than any key No wires required Fits standard-sized doors of 1-38 to 2-18 (35 to 55mm) door thickness, adjustable latch 2-38(60mm) or 2-34(70mm) Suitable for both left and right-handed doors Voice prompts guide you to set up to 20 fingerprints, including 2 admin-user fingerprints Note: When 2 admin-user fingerprints have been collected, adding new one will prompt normal-user fingerprint collection Fingerprint door knob requires 4 AAA batteries (Not included), according to our test, the batteries can last for 12 months There is a Micro USB emergency charge port for emergency unlock when the lock is out of battery No worry about be locked outside Worry-Free 30 hassle-free return policy and 24-hour technical support by email or by phone Before installing, please scan the QR codes in the user manual to watch the installation video

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