Powermaxx GLSETRS6M 600 Watt Grow Light Digital Dimmable HPS MH System for Plants with SMART 6" Air Cooled Reflector 1- 600 Watt Dimmable Electronic Fan Cooling Ballast; Acceptable input: 110v - 240v. Dimmable Option: 50%, 75%, 100% and 110% 1- 600-watt super hps bulb and 1 mh bulb 1 - SMART Air Cooled Reflector 24" x 17" x 8" Duct Size: 6" with HINGED GLASS 1- Pair of Rope Hanger : Weight Capacity - 150 lbs per pair w/ Improved Metal Internal Gears; One Click at a Time 1- 24 Hour Timer Controller