Power Supply: 90V~250V AC<br />Max. Current: 10A<br />Wireless Standard: Wi-Fi 2.4GHz b/g/n<br />Security Mechanism: WEP/WPA-PSK/WPA2-PSK<br />Operating Temp.: -20 ~70 <br />Operating Humidity:  80%<br />Material: RF-ABS<br />Connector: universal<br />Guidance:<br />How to install this device｣ｬ please do as follow<br />Switch off electricity source<br />Open the two covers at both ends<br />Connect the two electricity source cables(Live and Neutral) to the 2 ports with  IN  mark｣ｬ one cable for one port｣ｬ and there s no limitation for which port to connect<br />Connect the two appliance cables(Live and Neutral) to the 2 ports with  OUT  mark｣ｬ one cable for one port｣ｬ and there s no limitation for which port to connect<br />Make the Cover Install Firmly<br />Overview<br />Home automation is "The Internet of Things".It simply means the way all devices or appliances are networked together to provide users with a seamless control over their home equipment.<br />Sonoff is an affordable device that provides users with smart home control. It is a WiFi based wireless switch that can connect to a wide range of appliances . Sonoff transmits data to a cloud platform through the WiFi Router｣ｬ which enables you to remotely control all the connected appliances｣ｬ via the mobile application eWeLink. The server of Sonoff is Amazon AWS global server.<br />Sonoff makes all home appliances smart. As long as the mobile has network｣ｬ users can remotely control the appliances by turning