... 3.High 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 beyond 20KHZ,quietly,no ... equipment.5.Can be widely used in T5,T8,T12,H Tube.6.The electronic ballasts have ... CCC,CE,RoHs,EMC certificate.Power 2×40W Current 0.36AVoltage 220V Frequency 50/60HZPower factor ...