... approved ballast, timer Heavyduty hanger,high output MH/HPS bulb CAP WING MAGNETIC KIT*Cap wing reflector, 95% reflectivity, ALMECO aluminum*UL, approved ... MAGNETIC ballast, work on both HPS and MH bulbs, 120V/240V ... *Form inside protected -well carton*Available in 400W,600W,1000W CAP WING MAGNETIC KIT