... will use the 150W to modify for you.20W,35W,70W,150W,250W for Metal Halide lamps with CE, ROHS,ISO9001 in China ... protectionyesshort-circuit protectionyesover warm protectionyes≥20000hours-15°C ~ +55°Cstorage temperature-20°C ~ 80°CsaftyGB19510.13-2007 EN61347-1:2008 EN1347 ... there are strobe2,the power consumption 3,low voltage or temperature not first start, several start fragile cathode shorten lamp ...