low voltage ACor DC electronic ballast AC 12V-220V /DC 12V-220V 50-60Hz AC or DC Input voltage is 12V, 24V, 36V, 48V ... shake circuit, products is goodperformance & high stability The advantages of low voltage,safety & highstability, widely use for trains, cars, ships lamp,sauna ... , solar lamp, and so on.Satisfy different requirements of lighting voltage