ENER-J SHA5300 Smart WiFi Switch Compatible Alexa and Google Home Voice Control\r\n- Compatible with Amazon Echo/Echo Dot/Echo Plus and Google Home.- If you don't have any voice smart devices, you could also control your home electrical appliances via app.- This smart Wi-Fi switch supports maximum power of 10A 2200W that can work with most high power electric appliances.- Support to set max up to 100 group timer setting.