A compact remote module you can place up to 20 ft away from your G5 control box and control 4 independent loads . Switch from low DC volts up to 270 VAC on each set of contacts . Module comes wired with 6 pin cable and round locking connector to match to the round 6 pin connector on all Table i/O 17 cards used in G5 , G5XL and MP3700 units. Easy plug and set the outputs in the config. Manual includes suggestions for controlling different types of loads. This Expansion Module works well with a multi use CNC table like a Plasma / Oxy-Fuel setup . Setup separate outputs for things like mist and flood or router and torch valves, vacuum and other things.