【Various convenient ways to unlock】Keyless entry door lock : Smart APP Control + 100 Fingerprints + 100 Passcodes + 100 IC Cards + 2 Mechanial Key. Meanwhile Alexa and Google Assistant voice control can be used by connecting the BAFUWEIY gateway (sold separately); | 【Smart App Remote Control】 Fingerprint door lock supports App to control all functions. Such as unlocking and locking, adding fingerprints/passwords, sharing temporary passwords, checking records and more. After pairing with BAFUWEIY gateway (sold separately), you can control the door lock easily and quickly anytime and anywhere; | 【Stable biometric door locks】Our fingerprint reader chip adopts the latest biometric fingerprint access control technology, with an accurate recognition rate of up to 99%, 0.1 seconds to open the door. And it is durable. Up to 100 sets of fingerprints can be added; | 【Multiple modes, multiple protection】Our password supports virtualization to prevent prying eyes. After entering wrong password fingerprints several times it will be locked and you need to wait for 5 minutes before unlocking it again. There are also auto-lock mode, free passage mode and silent mode; | 【Easy Installation and Hassle-free service】Our fingerprint door knob fit most standard American single cylinder doors. Installation is simple, requiring only a screwdriver (included) and no additional drilling. We also provide instructions, installation and setup videos. Please feel free to contact us with any questions and we will answer them for you ASAP. Perfect for bedrooms, rentals, apartments;