Specifications: Power input:5V1A Adapter not included Charging port: type-c Working temperature:-1055C Working humidity:10%~90% RH(not cold suspect) Wireless connection:2.4GHz WIFI802.1 1b/g/n Communication protocol: Zigbee Material: PC ABS System support:i0S8.0/Android4.0 and above App: Smart Life/Tuya Transmission distance:10M~30M Product size:64*64mm*15mm Feature: Gateway function Connect other Tuya or smart life ZigBee sub-devices, and connect the sub-devices to the Internet. Smart Linkage Link with other ZigBee smart sub-devices to create smart scenes. For example, it can be linked with a water leakage detector and a manipulator valve to automatically close the water valve when water leakage is detected. Safer and more stable ZigBee protocol is adopted, the connection is more stable, and the data is more secure. APP remote controlcan control the gateway and sub-devices at home from all over the world. Easy to install The external adapter can be used.