... AC or DC Input voltage is 12V, 24V, 36V, 48V Suitable to T4,T5,T8 straight tube, PH,PLplug tube, and T5,T6 ... annular tube Startup more tubes: one,two pieces White ... shake circuit, products is goodperformance & high stability The advantages of low voltage,safety & highstability, widely use for trains, cars, ships lamp,sauna ...