tuya smart electronic door lock with fingerprint digital door lock

characteristic 1.5 unlock methods: Bluetooth TuYA APP access, Bluetooth TTLock APP access, fingerprint unlock, password, card, mechanical key unlock. 2. Convenient control, through the APP, you can view the unlock record, or share temporary code with visitors, nannies, housekeepers, tenants, guests, etc. 3. The APP can be unlocked remotely, but requires a gateway box to be connected for remote manipulation.(Wherever you are, the APP can remotely unlock the door. Better key management, remote delete / change the user password / card. View the access log now). 4.Emergency battery back-up (Our electronic door lock would alarm if it is in low battery. You could temporary charging your security lock by power bank, phone charger-any power source with micro-USB port）. 5. Compatible with various mortise to fit 99% doors.single latch 50,60-70mm, 6. FPC fingerprint reader gives you the best security experience ; 7.Easy to install, A easy-to-follow instruction would help you to install your smart door lock easier. 8.Universal right or left direction(can be easy adjust free) 9.Applicable door thickness: can be installed within the range of 3cm-5cm，battery capacity: 4pcs AAA Battery