... with the out-set switchSuits for aluminum roller shutter ,roller door ,garage door ,projection screen,awning , ... curtain,rolling shutter and so on. Roller shutter / Garage door Remote control Specifications:Working ... 433.92MHzWorking temperature: -30 to +70 centigrade Roller shutter / Garage door Transmitter:With the wall holderSingle channelGP12V batterySave ...