B11 Tuya Bluetooth Smart Deadbolt Lock

Model:  B11
APP:   Tuya
Wireless protocol:   Bluetooth (WiFi enable with gateway)
Ways to Unlock:   Key/ Card/ Passcode/ APP
Material:   Aluminum Alloy
Color:   Silver
Product Size:   137*60*30mm
Fit Door Thickness:   35~50mm
Power supply:   4 x AA Batteries (12 month)
Emergency power:   Micro USB Interface
Application:   Residential, Apartment, Hotel