... the bulbs within 1-2minsFlicker Free Lamp: Stable light output by constant lamp voltageSafety: Protection against ... send you a replacement.High Pressure Sodium ( HPS ) Bulb Specs400w, 600w, 1000w = 53,000, 86,000 , 140,000 ... replacement. Metal Halide ( MH ) Bulb Specs 400w, 600w, 1000w = 36,000, 61,000 , 110,000 Lumens RespectivelyCompatibility: ... may send you a replacement Grow light kits hps Reflector