2-channel access door receiver 1power supply: 12-24VAC/DC 2transmitters stored: 30pcs 3rolling code ... manufacture of the automatic door control systems.We serve programmable wireless remote,transmitter,receiver,tubular motor control panel,motor group controller,sliding door ... 10. cable connectionR5111 R5113 R5115 R5117: CABLE CONNECTION 12V DC wireless remote and receiver 433.92Mhz