1.Working Frequency: 433.92MHz 2.Working Voltage: 12V~24V AC/DC 3,With cable connection 4 rolling code Hiland Technology is ... manufacture of the automatic door control systems.We serve programmable wireless remote,transmitter,receiver,tubular motor control panel,motor group controller ... CONNECTIONworking door and window for Control board,remote, 1-channel wireless receiver with 433.92Mhz frequency