Light weight and silent running
Four output settings - 250W, 400W, 600W and Super Lumens 660W
Soft Start and Thermal Protection
Compatible with 600W High Pressure Sodium (HPS) or Metal Halide (MH) lamps
Wall mountable
The Comet 600w Digital Dimmable Ballast features 4 output settings, giving you the ability to control the light output from your lamp to your plants. There are two dimmable options (250w & 400w) and a ‘super-lumens’ boost option.