Electronic ballast It can work in the range of 77V-277V,high quality components are adopted. 1.The power waste is low,saving 80% energy ... power factor,Low THD ,the electronic ballast can work steadily when the voltage range varies from 77V-277V.4.The electronic ballast works in high frequency ... be widely used in T5,T8,T12,H Tube.6.The electronic ballasts have CCC,CE,RoHs,EMC certificate.Power 2×40W ...