... 600w ballastt; -electronic digital ballast; -dimming function optional; -Smart MH/HPS Multi-Voltage; -Pass CE/FCC; Welcome to Kunpeng electric appliance ... company The Goal of Kunpeng Electric is simply to be the BEST ... you a replacement.High Pressure Sodium ( HPS ) Bulb Specs400w, 600w, 1000w = 53,000, 86,000 , 140,000 Lumens RespectivelyCompatibility ...