UL 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. They have rubber feet to reduce noise and vibration and come with a 120V power cord. The EZ Lumeâ€ž¢ballast is made from sturdy, white, powder-coated, aluminum housing and features heat-dispersing fins on all 4 sides. All magnetic ballasts also have a 1 year Full Warranty.