... you.20W,35W,70W,150W,250W for Metal Halide lamps with CE, ROHS,ISO9001 in China. Some of ballasts also get ... offering OEM and ODM for many company around the world. Function & ParameterRated VoltageUn=AC185-242VOut power35W&70WPower Factor>0.95Rated ... °C0.97Lamp short circuit, abnormal, moisture, lightning,Anti electromagnetic interference function.1, high quality, high reliability, long life. 2, its ...