Scene Mode, Supports Customized Scenes, One-Click Switching, Convenient And Fast Timing Switch, Power Saving And Convenient. Set The Switch To Turn On And Off The Lights At The Set Time According To Your Work And Rest Time. Voice Control, Supports Ai Smart Speakers Your Mobile Phone Is A Remote Control, You Can Control It As Long As There Is A Signal Supports Multiple Mobile Phone Control Switches, Can Set Up Sharing Devices, Can Add Members (Unlimited Number), And Family Ownership Can Be Transferred Working voltage: 100V-240V~,50Hz/60Hz Operating current: 5A Max (purely resistive load) Wiring mode: Zero live wire or single live wire. Load type: incandescent lamp 500W/channel, LED lamp 120W/channel, energy-saving lamp 200W/channel Dimensions (height*width*thickness):86mm x 88mm x 35mm Usage environment: temperature 0℃~40℃, relative humidity less than 95% Wireless standard: Wi-Fi IEEE802.11 b/g/n 2.4GHz Security mechanism: WPA-PSK/WPA2-PSK APP platform: Tuya Smart Smart Life type:2 Switch Colour:Black Material:PC+tempered glass Package Contents: 1 x Smart Switch 1 x English 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.