... 10% 4.V:110-220 Feature:electronic ballast1) Ranges: 1*15W, 1*18W, 1*20W, 1*36W, 1*40W, ... 1*58W, 2*15W, 2*18W, 2*20W, 2*36W, 2*40W, 2*58W, 3*15W, 3 ... *18W, 3*20W, 3*36W, 3*40W, 3*58W, 2) Rated voltage ... ) Abnormal Protection 11) Perfect preheat start to prolong lamp life 12) OEM are welcomedNo flare,no noise,star ... long-term mutual benefits. Energy saving T5 electronic ballast