TrolMaster Hydro X Expander Station 4 BioSafe CalOx FT Included communication module lets you

Included communication module lets you link multiple greenhouses for control

air-cooled reflectors

and powdery mildew throughout their life cycles

and faster

Compatible with Active Aqua 4' X 8' Rolling Bench System

TrolMaster Hydro X Expander Station 4 BioSafe CalOx FT Included communication module lets youThe 4RS 1 is a universal 4 outlet power expansion module. It can be used with any of TrolMasters plug in style device modules to expand the number of devices that can be controlled by the Hydro x. A single 120 240 volt trigger cable on the 4RS 1 connects to your device control module. When the device module is activated by the Hydro x, the 4RS 1 trigger cable will turn on each of the 4 receptacles on the 4RS 1 with a 3 second time delay between each