High Quality Aluminum Alloy Lock: Fingerprint Door Lock is powered by 4 AAA batteries (batteries not included),hold up to 50 fingerprints.The door lock module is waterproof, moisture-proof. It has been tested for high and low temperature, vibration, aging, etc. to adapt to harsh environments
Appropriate Types: The lock body size is 160*22mm (6.3*0.86in), suitable for door thickness 30mm-100mm (1.2in-3.9in).If you are replacing the lock on an old door, please measure the width and height of the guide plate and the thickness of the door
Easy Installation: Within minutes you can swap out your basic lock for the Smart Lock. The wire free technology makes installation quickly and easily, also security. All it need is just a small screwdriver, about 15 minutes you can install a smart lock for your home or office
Excellent Customer Service: Our fingerprint handle lock are easy to install, please refer to the manual or video for specific installation and operation


