SPL Horticulture Stwk 1000 Hydroponic 600w Watt Grow Light Digital Dimmable HPS System for Plants Gull Wing Reflector Hood Set 600 Watt Dimmable Electronic Fan Cooling Ballast, Acceptable input 110v - 240v, Dimmable Option 50% 75% 100%, 120 or 240 volt power, 50 hertz to 60 hertz, 2 Years warranty HPS Bulb: Lumen 92000 Life Hour 24000 color temperature 2000K Wing Reflector 21"x19"x7" ETL certificated 1/8" Hydroponics Rope Ratchet Hangers Weight Capacity - 150 lbs/pair, 24hr mechanical timer Package Includes : 1 - Reflector / 1 - HPS Bulb / 1 - Digital Ballast /1 - 1/8" Hydroponics Rope Ratchet Hangers / 1 - 24hr mechanical timer