tuya palm vein electronic lock with fingerprint digital smart door lock

Function 1. tips: palm print electronic lock does not support fingerprint unlock. Support palmprint unlock, password unlock, IC card unlock, key unlock and tuya APP unlock. (Fingerprint electronic lock does not support palmprint unlock, support fingerprint unlock, password unlock, IC card unlock, key unlock, tuya APP unlock). Remind again: Palmprint and fingerprint are two modes, unlock function is different, need to choose according to their own needs before purchase. 2. Convenient to control, Through APP, you could check the unlocking records, also you can share the temporary code with visitors, nannies, house keepers, 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. FPC fingerprint reader gives you the best security experience ; 6.Compatible with various mortise to fit 99% doors.single latch 50,60-70mm, 7.Universal right or left direction(can be easy adjust free) 8.Applicable door thickness: can be installed within the range of 3.5-5.1cm, battery capacity: 4 AA batteries