... *160(mm) 5.MH/HPS Specification & SizeName150W Electronic Ballast for Metal Halide Lamp ModelGN150230VACEX(150W)Size157*100*43 (mm)weight ... circuit, abnormal, moisture, lightning,Anti electromagnetic interference function.1, high quality, high reliability, long life. 2, its own power consumption, ... not affect the normal work. Hot 150W MH Ballast for HID Spotlight with Good Quality from Manufacture