SPL Horticulture STWK 1000 Hydroponic 600W Watt Grow Light Digital Dimmable HPS MH 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, MH Bulb Lumen 63000 Life Hour 10000 color temperature 4200K 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 - MH Bulb / 1 - Digital Ballast / 1 - 1/8" Hydroponics Rope Ratchet Hangers / 1 - 24hr mechanical timer