... door control systems.We serve programmable wireless remote,transmitter,receiver,tubular motor control ... Fixed code Model No R5101,R5102,R5103,R5104Frequency433.92MHZChannel1-CHANNELPower supply12-24V AC/DCWeight Transmitter stored30PCS,300PCSconnectionCABEL CONNECTION AND TERMINAL ... CONNECTIONworking door and window for Control board,remote, 1-channel wireless receiver ...