1000W 120/240v HPS/MH EZ Lume BallastUL Certified and using Aerovox capacitors, the 1000W EZ Lume Magnetic Ballasts are great for the conservative budget. They can mount to walls and ceilings, feature convenient transport hanging handles, are multi voltage capable (120 240V), and feature two universal sockets, making them compatible with all reflector types. Their constant wattage output means no lamp flickering and with the flip of a switch they can be converted from MH to HPS ballasts.