... certified Accessories: Wall mount Included 3 Year Manufacturer Warranty on ballast directly thru us for your convenience! Please return defective ... ) Bulb Specs 400w, 600w, 1000w = 36,000, 61,000 , 110,000 Lumens RespectivelyCompatibility: Strikes both magnetic and digital ballast (ANSI Code: ... we may send you a replacement HPS grow light 400W HPS/MH Dimmable Ballast Air Cool TUBE Grow lights Set