High frequency dimmable ballast: High frequency digital dimmable ballast 120V-240V designed specifically for double ended grow lamps 1000W (HPS/MH), adjustable to 600/750/1000/1150W output 3-Mode reflector: 3-Mode double ended adjustable reflector VEGA98 aluminum layer of 98% reflection and excellent color rendering & outstanding high-quality VS lamp holder
eBay