... install 3.The light is downy electronic ballast for fluorescent advertising light-boxSpecifications1) T4/T5/T8 electronic ballast 2) good quality without noise 3) best price ... : 110v-130v or 180v-240vWattage:2*15w,2*18w, 2*20w,2*28w,2*32w,2*35w,1*36w, 2*36w ... 150V to 250V.3.Adopt high quality semiconductor electroniccomponent,make highly use of light energy,good wear. 4.Ballast works in condition of ...