Note: This device is a rare receiver that is compatible with rolling code remote controls (more secure and less likely to be copied). Compatible with a variety of remote controls: Compatible with rolling code remote control, learning code remote control, fixed code remote control, (but need to meet the following conditions - chip code: PT2262, EV1527, SMC5326, HT6P20, HCS300, HCS301; frequency: 433mhz), this receiver Can store 30+ remote controls. Dry contact receiver: The receiver is a dry contact receiver with passive output, and the working voltage is 12V-24V, that is, 12V 24V is acceptable., Weight: 0.31085178942 Pounds, Manufacturer: Wesafrae