Main Features:   1.Voice control: Once you have this switch,you can connect it with for Amazon Alexa(for Amazon echo/dot/tap) or for Google Assistant to voice control.    2.Wi-Fi Remote Control:You can use APP in your smart phone to control the switch wirelessly with Wi-Fi or 4G network.no hub required.   3.Timing Function: Take full control of your home or office lights thanks to schedule timer that will allow you to plan the exact time to turn lights and appliances on/off automatically.   4.Share Device: This samrt switch can have several control sites shared by different family members. One cell phone can control many switches also.   5.Add More Features: Let you do amazing thins with your light switch, turn lamps, fans or other electronics on before you get home or off when you leave.      Specification: Size: 65*40*23mm/2.56*1.57*0.91in;    Controllable line: 1 way;    Working temperature: -10-60 ℃;    Wireless networking: WI-FI (802.11 B / G / N 2.4GHZ);    Own power consumption: ≤0.5W;    Working temperature: -10℃-60℃;    Power input: 110VAC or 220VAC;    Withstand power: 10A/2200w;    Terminal platform: Android/iOS.   Package Included:   1 x Wireless Remote Control Switch.