The EU standard switch is connected to the Internet through a WIFI wireless network, you can control the switch from any place where there is a network connection through your smart phone, and check the on/off status of the switch. You can control any electrical equipment connected to this switch from the local network or remote network, such as desk lamps, corridor lights, living room lights, etc. The switch has timing function, appointment function and so on. The switch uses WIFI+BLE connection method, which could achieve faster and easier connection. The switch supports voice speakers such as Amazon ECHO, Google Home etc. You could voice control the status of the switch.