... adopted. 1.The power waste is low,saving 80% energy.2.Adopt high quality semiconductor electronic component,make highly use of the energy ... 77V-277V.4.The electronic ballast works in high frequency beyond 20KHZ,quietly,no negative effect on the circuit or other electrical ... in T5,T8,T12,H Tube.6.The electronic ballasts have CCC,CE,RoHs,EMC certificate.Power 2×40W Current 0.36AVoltage ...