The advanced and convenient smart door handle has 3 unlocking methods: fingerprint unlocking, app control unlocking, and emergency spare key, making entry and exit more convenient. The door lock has biometrics and supports App control, which can easily realize fingerprint management. You can view unlock records, automatic locks, traffic modes, and security locks through the App to control your home security.

The door handle continues the classic style design, equipped with fingerprint lock function and modern app control, it is a very ideal fingerprint door handle smart lock for bedroom doors, offices, apartments, and hotels. Fingerprint door handle door lock can be easily installed with a screwdriver in minutes, fits most US doors, and easily replaces existing door locks. Detailed installation steps and videos are provided.

The smart door lock is suitable for wooden doors, fire doors, security doors, etc. between 30-55mm. 4 AAA batteries are required for installation (Battery needs to be purchased by oneself), and the USB interface can also be used for emergency power supply when you are in low power mode, but please be careful not to charge it, and replace the battery again.

What are the fingerprint unlocking functions of this product? The unlocking function includes fingerprint unlocking, password unlocking, key unlocking, and Bluetooth APP unlocking. What type of door is suitable for? It is applicable for wooden or steel doors with a thickness of 35-55mm. Where does it apply? It is suitable for residential regions, apartments, offices, office buildings, etc.

Can I charge it and use it? It cannot be used for charging all the time, and the socket is only used for emergency charging and opening the door when the battery is dead. What warning will be issued when the battery voltage drops to low? The buzzer sounds once, and the reader flashes green and red; The mobile app will receive a notification message that the battery is low.

If you have any other questions, please feel free to consult us! The fingerprint door knob, password door knob, and other products are available for your selection. The customer reviews reflect an overall rating of 4.5 out of 5 stars for the fingerprint door knob, 4.5 out of 5 stars for the password door knob, 4.2 out of 5 stars for the password door knob, and 4.6 out of 5 stars for another product. The prices range from $49.99 to $59.99.

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