The philips hid pv c 150 l cdm electronic ballast comes complete with strain relief and runs 1x150w metal halide lampsthis ballast is available as independent i for independent use on a false ceiling minimal lamp power spread microprocessor controlled lamp end of life detection long lifetime of 40 000 hours lamp life is increased by up to 30 for cdm lamps silent operation without hum it is also rohs compliant this philips hid pv is usually used in accent and decorative lighting fo