Galaxy state-of-the-art HID ballasts are manufactured to provide today’s serious grower with maximum flexibility & performance. The Galaxy Select-A-Watt is the preferred electronic ballast on the market, offering the ability to run multiple wattage lamps or dim the highest wattage (defined by model). Galaxy ballasts have an incorporated staggered low current starting feature to avoid inrush problems when running multiple ballasts. The Galaxy low voltage ignition is easier on the lamp start, reducing arc tube wall blackening resulting in a longer more stable lamp life. Galaxy Grow Amp ballasts feature the industry’s lowest RFI broadband emissions. The Galaxy brand name carries a strong reputation of reliability and performance. Galaxy Grow Amp ballasts come pre-wired with a Sun System lamp cord receptacle. They are compatible with all Sun System branded reflectors.