Product Type: YT4K-B button list: Start, stop, up, down, west, east (signs text can be customized) system functional requirements Description: Each remote control system includes a transmitter, a receiver, and multiple sets of the same Site work will not interfere with each other. The receiver only four output switch, no power output. Function keys are jog mode, press pass, loosen off; can also be customized into self-sustaining mode, press pass, then it is off. Interlock between any two function keys. Receiver output switching capability: AC250V 5A, DC30V 5A. Receiver Operating voltage: DC12 / 24 / 48V, AC36V / 48/220 / 380V.