Hydrofarm, Inc. Phantom Digital 600W Electronic Ballast, 120/240v Dimmable PHE600D

Tri-mode, push-button dimmable feature gives you the light you need in your specific growing situation. Hot re-strike programming protects the lamp in the event of a power outage Tested for compatibility with most brands of high intensity grow lamps Dual resettable breakers - protects lamp and household circuits Only ballast on the market designed for vertical operation for coolest running and optimum grow space Drives the highest light output for maximum plant growth Universal reflector adaptor and 8 ft heavy duty cord included Unlike magnetic ballast, Phantom runs completely silent Patented lock & seal BAREF lamp cord installed Internal RF protection Triple surface aluminum fins - most efficient cooling in its class Internal Resin coating protects components for long life