... : Holybay 3.Fn=50/60Hz Specification & SizeName HID Electronic Ballast for Metal Halide Lamp ModelGN020230VACEX(20W)GN035230VACEX(35W)Size97*40*30(mm ... . We will use the 150W to modify for you.20W,35W,70W,150W,250W for Metal Halide lamps with CE, ROHS,ISO9001 in ... power consumption, and low self heating. 4,Abnormal lamp automatically cut off the power 5, with overvoltage protection, to prevent a short ...