Description: The electronic ballast WK-T8-432/IS/277HSC, WK-T8-432/IS/120HSC, WK-T8-234/IS/12OSC, WK-T8-434/IS/12OSC are green light product, they are suitable for fluorescent lamps: F17T8,F24T8,F25T8,F25T12,F31T8,F32T8 and F40T8. Line Voltage: 277vac, ±10%, 60Hz Instant Start Description：The electronic ballast WK-T5-* is a green light product, it is suitable for fluorescent lamps: T5 14W,T5 21W,T5 24,T5 28W, T5 35W Line Power: 220V ±10%, 50H