Pls refer to user manual how to add fingerprint / card user. Type-c charging port for any power failure emergency use. Battery type CR123A battery(Alkaline). Automatic locking function 5 seconds after unlocking. You can turned this function off to use passage mode.
APP function: remote control when working with Tuya BLE gateway. Also you can check unlock record (who and when) to improve.Fingerprint scanner of capacity 100 sets. Recognition time is less than 1 sec. Standard cylinder length will be 60mm. 30mm which fit door from 3050mm thickness door lock. Cylinder: copper & Stainless steel.