VIVOSUN 1000 watt Dimmable Digital Ballast for HPS MH Grow Light, UL Listed & Soft Start Program(1000W)

Description UL Listed 1000W Dimmable Ballast: Dimmable level: 600w; 750w; 1000w; super lumens (110%) Operates on 120/240V, 50/60Hz Power Supply; 8ft 120V power cord included; Strike both MH and HPS bulbs Overheating Protection; End-of-Bulb-Life protection; Short circuit protection; Ignition failure protection Note: The dimmable setting of ballast should be the same watts as the bulb when starting, or your bulb may not be lighted up; The extra setting is to adjust the brightness (lumen) of the bulb; Different lumens have different effect on the plants What You Get: VIVOSUN ultra bright 1000w digital ballast, 8ft 120 volt power cord, four rubber feet, our fan-favorite 3-year warranty and friendly customer service