... high power wireless remote control switch KL-K150 1. Wireless high power controller 2.Operating Voltage: AC220V 220V high power wireless remote control switch ... same as B/C/D.3) interlock modelPress remote button A, the receiver relay A is on, the ... relay B/C/D is off.Press remote button B, the receiver relay B is on, the ... , the relay A/B/D is offPress remote button D, the receiver relay D is on, the ...