HPS Hydroponics: 1.High-purity aluminum plate 2.Air hooled reflector 3.Macth 250-1000W MH/HPS 4.High quality Welcome to Kunpeng ... bulb cap Dimmable Digital Ballast and Accessories1 reflector + 1 ballast + 2 bulbs(mh&hps)+ 1 yoyo + 1 timer Ballast SpecsPower Output: Dimmable 50%, 75 ... that we may send you a replacement.High Pressure Sodium ( HPS ) Bulb Specs400w, 600w, 1000w = 53,000, 86,000 , 140, ...