Fangrui Product Details Relay Status Settable:according To Your Living Habits And Needs, Set The Device On/off After The Power On Or Maintain The Light State, So That Your Home Equipment Can Operate Normally. Multi-control Association:no Worry About Rewiring Trouble, You Can Realize Double Control Or Even Multiple Control On One Light After Setting In App. Support High-power Appliances:it Supports To Use With Electrical Appliances Under 16a, Including Variety Of High-power Household Appliances. Timer Function:set Timers For Turning Devices On And Off To Achieve Automated Appliance Management For A More Convenient Life. Product Type: Smart Switch Module Wireless Protocol: Zigbee Operation Temp: -1065case Temp: Tc: +80max.) Operation Range: Less Than Equal 70m Ip Rating: Ip20 Frequency Band: 2.412-2.484ghz Maximum Radio Transmit Power: Less Than +10dbm Colour:as Shown Material:plastic Package Contents: 1 X Switch Module 1 X Bracket 1 X English Instruction Manual(due To Different Product Batches, The Appearance May Vary,