Instant start, Flicker free, CE certificate Multivolte electronic ballast1.The ... .3.High power factor,Low THD ,the electronic ballast can work steadily when the voltage range varies from ... 160V-250V.4.The electronic ballast works in high frequency beyond 20KHZ,quietly, no negative ... RoHs,EMC2×40W Electronic ballast with PF0.98,THD<20%,CCF<1.7,quick/preheat start (option),with CE ...