Apollo Horticulture APL600 Hydroponic 600 - Watt HPS MH Digital Dimmable Electronic Ballast for Grow Lights

The Ballast is Adjustable at 100%, 75% and 50% for maximum efficiency Up to 30% more lumens than magnetic ballasts for improved yields Compatible w/ both MH and HPS bulbs Compatible w/ 120V and 240V power supplies (We include a 2 meter 120V chord) Helps lamps burn brighter and longer High frequency output results in less power loss (50/60Hz Frequency) 99% Power factor Replaceable outset fuse by input terminal for short circuit protection Short circuit protection by automatic power shut off for ultimate safety Fast lamp ignition by lighting up the bulbs within 1-2mins max Stable light output by constant lamp voltage, lamps will be flicker free Internal heat and radio frequency shielding to protect critical components Built in cooling fan and Graduating fin design to minimize ballast temperature Light weight (Under 10lbs) 3 year Warranty directly thru us for your convenience! CE certified and UL listed