Power Supply: The fingerprint door lock powered by 4pcs x AAA dry batteries(not included), and meanwhile with USB charge port for emergency.
With 2 Keys: Each fingerprint lock is equipped with 2 mechanical keys, which will enable users to unlock in traditional method.
Biometric lock: Using biometric fingerprint technology, the door can be unlocked by fingerprint in only 0.25s, which is safe and reliable.
Large capacity: The smart lock can store 30 fingerprints and can be opened easily and conveniently.
Wide range of uses: Made of zinc alloy, strong and , suitable for families, apartments, personal residences, hotels, etc.