Fingerprint Door Lock, Door Locks for Bedroom, Keyless Entry Door Knob with Handle,Generate Passcode App Remotely-Smart Door Lock for Apartment, Office-Black

Fingerprint Door Lock UPGRADE 0.5S
SMART FINGERPRINT RECOGNITION: This biometric door lock utilizes advanced fingerprint technology for secure keyless entry; the fingerprint scanner is swift and precise; the door knob can scan and identify your fingerprint in under one second.
REMOTE PASSCODE GENERATION: Control your door lock remotely via the Tuya app; you can create and share temporary passcodes from a distance, ideal for guests or service providers at your apartment or office.
EASY INSTALLATION: The door knob is engineered for rapid and simple setup. This Fingerprint Door Lock fits standard door sizes (between 1.18" and 1.97" thick) and no drilling or wiring is required.
PLEASE NOTE: Before First Use Register Your Admin Fingerprint! You MUST set up an Administrator fingerprint immediately 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 die (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