Fingerprint Door Lock, Door Locks for Bedroom, Keyless Entry Door Knob with Handle,Generate Passcode Remotely-Smart Door Lock for Apartment, Office (Silver 01)

UPGRADE 0.5S
SMART FINGERPRINT RECOGNITION: This biometric door lock uses advanced fingerprint technology for secure keyless entry; the scanner is fast and precise; the door knob can read and identify your fingerprint in under a second.
AUTO-LOCK FUNCTION: The door locks automatically when shut, keeping it secure at all times without manual locking.
EASY INSTALLATION: The door knob is built for quick and simple setup; this Fingerprint Door Lock fits standard door sizes (between 1.18" and 1.97" thick) and requires no drilling or wiring.
PLEASE NOTE: Before First Use Register Your Admin Fingerprint! You MUST set up an Administrator fingerprint right after unboxing. Until this is done, the lock accepts ANY fingerprint to open your door, even a stranger's.
About the USB Port: Emergency Power Only Use the USB port to connect an external power bank if the batteries run out (lets you unlock the door in a pinch).
About the USB Port: Not a Charger This port CANNOT recharge the lock's internal batteries. It's strictly for temporary emergency access