... to install 3.The light is downy electronic ballast for fluorescent advertising light-boxSpecifications1) T4/T5/T8 electronic ballast 2) good quality without noise 3) ... -130v or 180v-240vWattage:2*15w,2*18w, 2*20w,2*28w,2*32w,2*35w,1*36w, 2*36w,1*58w,2*58w,2*60wReal wattage: 85%Cover ... page. We are a competitive factory specializing in T8/T5/PLL electronic ballast from 8w-58w,with a lamp,two lamps,three ...