Apollo Horticulture 400 Watt Grow Light Digital Dimmable HPS MH system for Plant Growing 1- 400 Watt Dimmable Electronic Fan Cooling Ballast; Acceptable input: 110v - 240v. Dimmable Option: 50%, 75% & 100% 1 - HPS Bulb: Lumen - 54,000 & 1 - MH Bulb: Lumen - 36,000 1 - XL Reflector: 30.25" x 26" x 8" Made of German Aluminum 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 Package Includes: 1  Reflector / 1  HPS Bulb / 1  MH Bulb / 1  Digital Ballast / 1  Pair of Hangers / 1  Timer / 1  Instructional Pamphlet