Description:switchHigh quality materials for safe useIt can be used with 433 frequency switchThe design is simple and beautifulController Module 433MHz controller, only need to be equipped with 433MHz wireless switch or controller, you can control the switch of the deviceThe MINI body can be directly installed in the switch bottom boxEasy to install.Can be placed behind the switch.Save Energy.Can control the light switch from multiple placesOne control many.One multi-key touch wireless switch controls multiple controllers.Specificationswitch *Single key, two keys and three keys are optionalWorking voltage: DC12V (one 27a / 12V battery)Operating current: 10mA@12VEncoder: 1527Controller Module Control distance:20-100m(in open area)Size:47*41*23mmWorking frequency:433.92MHzWorking Voltage:85-265V 50-60HzMaximum current:10APackage Included:1 * switch, 1 * adhesive tape, 2 * expansion screwNotes:This product requires 12V27A dry battery and needs to be purchased separately