... 2*15w,2*18w, 2*20w,2*28w,2*32w,2*35w,1*36w, 2*36w,1*58w,2 ... : each in a color box, 100pcs per cartonelectronic ballast M0delWattdimensions in mmdimensions in cm)YL40-2E2*36W153*43*30130 ... make highly use of light energy,good wear. 4.Ballast works in condition of highfrequency above 20KHz,no noise ... a competitive factory specializing in T8/T5/PLL electronic ballast from 8w-58w,with a lamp,two lamps,three ...