Never worry about forgetting your keys, losing them, or being locked out again. Unlock with your fingerprint, password, or mobile phone, making leaving the house effortless. Fingerprint, digital password, IC card, mechanical key. In any case, you can choose the best unlocking method, two mechanical keys just work as emgency key or reserve key This bedroom door lock with handle gives you fingerprint scan for instant access after school drop-offs, password entry when kids forget keys, IC card tap for quick guest access, and a backup mechanical key for absolute reliability. The intelligent lever door lock is made of aluminum alloy material on the outside, which is classic, simple, sturdy and durable. It is an ideal choice for homes, hotels, offices, apartments, storage rooms, warehouses, basements, and other places. The door knob lock is easy to install or replace the original lock with just a Screwdriver. The door handle is reversible for both left and right-handed doors. Runs on 4 AA batteries (not included). Even if power is low, the Type-C emergency charging port ensures your door is always accessible., Manufacturer: YBNKKUXKN