Generic Smart Fingerprint Door Knob Lock, App Control, 3 Ways to Unlock Mechanical Backup Key Keyless Entry Fingerprint Door Knob for Home, Office, Apartment, with Type C Charging (Black)

["[User-friendly App Control] The app allows you to add up to 30 fingerprints, lock/unlock remotely, check unlock records, and adjust volume settings for a personalized experience.","[Convenient and Secure Access] Smart door knob supports unlocking via fingerprint, app, and backup keys, offering a more secure way to enter your home.","[Versatile Lock Modes] Easily switch between passage, normal(auto-locking), and modes with the thumb turn for flexible room access.","Battery and Charging] Features a 500mah rechargeable lithium battery with a type c port for quick charging in just 3 hours.","[Easy Installation and Universal Fit] Simple screwdriver installation on most doors (35-55mm thickness) ensures a hassle- setup. verify before purchase.","","","","",""]