... .Brand: Holybay 3.Fn=50/60Hz Specification & SizeNameEuropean 35W HID Electronic Ballast with Protection Shell and Cable ModelGN035230VACGC(35W)GN070230VACGC(70W)Size160 ... , moisture, lightning,Anti electromagnetic interference function.1, high quality, high reliability, long life. 2, its own power consumption, saving 30%. 3, to reduce ...