☑️ High-end Material: High Intension zinc alloy+HD LCD Screen
☑️ With Semiconductor fingerprint sensor
☑️ Door thickness :45-70mm
☑️ Power supply: 4 x AA Alkaline Batteries
☑️ Support Record query on the APP
☑️ Support Password management
☑️ Bluetooth standard: Bluetooth 4.1BLE
☑️ Mortise: support 60/70 60/78mm single latch
☑️ Low battery reminder
☑️ Emergency Power : USB
☑️ Color Option: Black / Silver/ Black Golden
☑️ TUYA BLE/TUYA WIFI/TTLOCK BLE Version are available
