1,000W Dimming Electronic Ballast with Built-in Fa

1,000W dimming electronic ballast (both for HPS and MH) Dimmable ballast with smart volt technology that allows it to run on either 120 or 240V (both power cords are included) Can run at 50, 75, or 100% power Built-in fan, 15% cooler than other electronic ballasts on the market Drives lamp to peak performance Ignites both HPS/MH lamps Extremely efficient: 99.9% power factor Saves 5 - 12% less energy than magnetic HID Soft starting: increases lamp life and reduces lumens depreciation Very quiet operation Soft starting: increases lamp life and reduces lumen depreciation Protection: output open/short circuit/ignition failure/thermal/end of lamp life More lumens: 20 - 30% more lumens than magnetic ballasts Completely silent: no more humming and buzzing No fans inside, water resistance Warranty: 3 full years, 2 years pro-rated