... 1), high quality 28-key ir Controller 2),Supply voltage: DC5V, 12V ,18V, 24V 3),CE&Rohs approved 4),2yrs warranty High quality ir ... 4, Interface SpecificationsPower input interface: Adopt conventional power Transposon as a DC power input interface. Infrared receiver interface:Adopt oblate ... useConnect the load wire at first, following by the power wire; Please ensure short circuit can not occur between ...