1. [Note] This smart switch requires a neutral wire in your switch boxes to operate correctly.Requires 2.4GHz Wi-Fi network connection.Only compatible with 1 gang switch box. 2. [Ultimate Beauty] Ingenuity design assures highly texture beauty ,Toughened Glass Prevents the scratch from knives or something hard,dampproof available for humid operation. 3. [Voice control] Once you have this switch,you can connect it with for Assistant for voice control. 4. [Wi-Fi Remote Control] You can use app in your smart phone to control the wall switch wirelessly with Wi-Fi or network. 5. [Timing Function] Take full control of your home or office lights thanks to the schedule timer that allow you to plan the exact time to turn lights and appliances on/off automatically. Operation Mode:Automatically,Off,Smart Switch Operating Voltage:240 Volts Contact Type:Normally Open Connector Type:Wireless Circuit Type:1-way Actuator Type:PushButton The product appearance and printed words depending on the batch, but this does not affect use. Type:B:4-way rectangular Colour:White Material:Tempered Glass Package Contents: 1 * Smart switch 1 * Capacitor 1 * Screw set 1 * English instruction manual 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.