Fingerprint Door Lock, smart Door knob with Fingerprint and keypad Password, App-Controlled biometric Door Lock, keyless Entry, Suitable for bedrooms, Offices, Hotels, Apartments (Matte Silver)HL-6

Easy to installThe fingerprint door handle door lock can be easily installed with a screwdriver in just a few minutes, suitable for most American doors, Tips: When installing the inner knob, the outer and inner knobs must be inserted according to the "UP" sign on the top so that they can be fixed in place. The spindle rod is in a vertical position. Turn the adjustment arrow with your thumb to point to the center point and the "UP" symbol, and then insert the arrow upward into the mounting base. You can fully insert the back lock with a little force. Easily replace existing door locks.
NoteSmart door locks are suitable for wooden doors, fire doors, anti-theft doors, etc. between 30-55mm. The door lock also has a visual power display and low power alarm function. Please remember to separate after charging, do not plug in for use, and the battery is not removable. If you have any other questions, please feel free to consult us!