EYE HORTILUX Ballasts provide a consistent power supply to your grow lamps. This allows your HORTILUX grow lamps to do what they were designed to do, which is, provide a quality light spectrum for your garden. Grow lamps are responsible for providing quality light to your garden. Ballasts are responsible for providing the power to your grow lamp. EYE HORTILUX Gold Series e-Ballasts - provide consistent, stable power to the lamp for high intensity and a quality spectrum. Included 120/240V EYE HORTILUX GOLD Series electronic ballast 120V cord (240V cord sold separately) 3-year warranty Technology Designed by experts in lamp-ballast compatibility High frequency, sine wave operation Operates HORTILUX Super HPS, HORTILUX BLUE and HORTILUX e-Start Metal Halide Lamp detection for safe operation (open & short circuit protection) Long range igniter installed - Up to 70' Cool operating temperature Soft start technology Silent operation Features UL Listed for fire and electrical safety Generator ready Flip box ready Extends lamp life Completely sealed against dust and moisture Provides consistent, stable power to the lamp for high intensity and a quality spectrum