Remote control : By smartphone application from anyway (the smartphone must connect to the internet in WiFi or 3g/4g) Application : Tuya Smart / Smart life(free download in IOS and Andorid) Function : switch on / switch off / timer schedual / smart scene Work with : Alexa , google home. Protection : overload protection , short-circuit protection , isolating protection. Voltage : 230V / 400V Model : 1P / 2P / 3P / 4P Current : 80A WiFi : 2.4 Ghz Material: plastic colour: White Package Contents: 1 x Smart Circuit Breaker(1P 230V) / 1 x Smart Circuit Breaker(2P 230V) / 1 x Smart Circuit Breaker(3P 400V) / 1 x Smart Circuit Breaker(4P 400V) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.