The TUYA Smart Door Lock is made of a full metal zinc alloy and comes with a C-grade cylinder. It can be unlocked via an APP, Wi-Fi remote control, fingerprint, password, or physical key. It supports the Tuya APP which allows all smart devices to be managed in one place. The lock also supports a Bluetooth mesh network (SIG) and can act as a gateway. 

Material: Zinc Alloy
Door thickness: 38mm-50mm
Code Length: 6~10 digits
Working Temperature: -20°C~70°C
Working Humidity: 20%~80%RH
Working Power Consumption: ＜200mA
Static Power Consumption: ＜30uA
Power Supply: 6V (4 x AAA Alkaline Batteries)
Unlocking Methods: App, Fingerprint, Password & Mechanical Key
User Capacity: 100 password users
50 fingerprint users
Product Dimension: Front / Back panel  65 x 65 mm
Handle Length       167 mm