... Wireless With Remote Control Receiver 1.voltage:12V/24VDC 2.Frequency: 315MHz/433MHz 3.Distance:<80 12V/24VDC Wireless With 4 Channel ... of special control program requriments.It's mainly used in electric doors, windows, lifting equipment, gateways, lifting devices ... security industry and other fields. The wireless receiving controller, with high security, storage capacity, stable performance, low power ...