... ), high quality 28-key ir Controller 2),Supply voltage: DC5V, 12V ,18V, 24V 3),CE&Rohs approved 4),2yrs warranty High quality ir ... Interface SpecificationsPower input interface: Adopt conventional power Transposon as a DC power input interface. Infrared receiver interface:Adopt oblate ... occur between connecting wire before you turn on the power; 2. operation,you will receive infrared remote control in ...