Romote control switch UL,TUV,RoHs,CB,CE,CCC Long distance control within 50m Quality guarranty of switch at least 5 years Roller shutter / ... ,garage door ,projection screen,awning ,curtain,rolling shutter and so on.Roller shutter / Garage door Remote control Specifications:Working voltage range: 120 ... wall holderSingle channelGP12V batterySave power design Mini Roller Shutter remote control switch