The Industrial Radio Remote Control system is rugged and reliable, suitable for use with 4 or 5-motion, Analog speed complex Boom or cranes (up/down/east/west/south/north/ Rotary /Fast/Slow /R1- R16 motions), A/B/Both crane installations, And Many other industrial applications. The receiver has a red “ON” indicator light and is pre-cabled for easy installation, and the transmitters are Supplied to maximize your equipment’s uptime the safe solution to your wireless control needs.