wireless remote control switch work with kinds of remote controls, stable Relay control, N.C and N.O optional wireless remote control switch1,2,3 or 4 channels optionalFeatures:Voltage: DC12VTransmitting distance: 50-100MFrequency: 260-433MHZReceiving sensibility: -95DBWorking way: self lock,mutual-lock,no-lockMaximum load: 7ACode mode: fix upCode way: solderDimension: 40x39mm