Romote control switch UL,TUV,RoHs,CB,CE,CCC Long distance control within 50m Quality guarranty of switch at least 5 years ... shutter and so on.Roller shutter / Garage door Remote control Specifications:Working voltage range: 120 to 230V ACFrequency: 50 ... or 60HzLoad power: ≤500WOperating modes: remote and manualReceiving acuity: -100dBTransmit power: ≤10mWWorking frequency: 315 ...