... Holybay 3.Fn=50/60Hz Specification & SizeNameEuropean 70W HID Electronic Ballast with Protection Shell and Cable ModelGN035230VACGC(35W)GN070230VACGC(70W)Size160 ... ,150W,250W for Metal Halide lamps with CE, ROHS,ISO9001 in China. Some of ballasts also get ROSH and PSE.Our ... power consumption 3,low voltage or temperature not first start, several start fragile cathode shorten lamp life 4,starter life is ...