electronic ballast 1.CE/UL/Rorhs 2.Rated Current:0.23/0. ... morn than 95% ,Harmonic loss than 10% 4.V:110-220 Feature:electronic ballast1) Ranges: 1*15W, 1*18W, 1*20W, 1 ... *20W, 3*36W, 3*40W, 3*58W, 2) Rated voltage: 220-240V 50/60Hz or 120V/227V 60Hz 3) Power factor ... with us for long-term mutual benefits. Energy saving T5 electronic ballast