The ORRS radio remote receiver is an industrial small model. The models feature: 2 function relays 4 function relays or 3 function relays + 1 "On/Off" relay ORRS****F model 12 VDC (9 to 20 VDC) 24 VDC (20 to 75 VDC) 48 VAC (+10%/-15%) ORRS****T model 115 VAC (+10%/-15%) ORRS****U model 230 VAC (+10%/-15%) Max. consumption: 180 mA for DC / 5 VA for AC Min. consumption: 23 mA for 12 VDC / 350 mW for 24 VDC