... the 150W to modify for you.20W,35W,70W,150W,250W for Metal Halide lamps with CE, ROHS,ISO9001 ... 2006 EN61000-3-3:2008Life Time≥20000hoursWhy you choose us? NameTempetaturePower factorProtect FunctionPost-maintenanceInductive electronic ... lamp automatically cut off the power 5, with overvoltage protection, to prevent a short time ... not affect the normal work. 20W Ballast with Cable for Metal Halide Lamp