W4 Tuya WiFi Smart Handle Locks

Model:  W4
APP:   Tuya
Wireless protocol:   WiFi 2.4 GHz
Ways to Unlock:   Key/ MF Card/ Passcode/ APP
Material:   Zinc Alloy
Color:   Black
Product Size:   Lock: 137*60 *30mm
Gateway: 65*65*18.5mm"
Fit Door Thickness:   35~50mm
Power supply:   4 x AA Batteries (12 month)
Application:   Residential, Apartment, Hotel