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