... will use the 150W to modify for you.20W,35W,70W,150W,250W for Metal Halide lamps with CE, ROHS,ISO9001 in China ... short circuit, abnormal, moisture, lightning,Anti electromagnetic interference function.1, high quality, high reliability, long life. 2, its own power consumption, saving ... a short time voltage surges and temporary voltage is too high. 6, has a better fire performance, lamp kept at low ...