... ,8ch,9ch,10ch,11ch,12ch,13ch,14ch and 15ch wireless remote control switch,AC90v~AC270v or DC6v~12v voltage working circumstance,100m ... ~10km meters.Our wireless remote control system advantage:I:Wide input ... wireless control 3):Commutative lock model:[For example 4ch wireless switch] Press remote button A,the receiver relay A is ON,the ...