Philips Advance Core and coil probe start HID ballast kit includes dry capacitor and brackets. It is suitable for use with one 175/150-Watt metal-halide lamp. Ballast in the kit has voltage rating of 480-Volts and current rating of 0.45-Amp. The M57/M107 ANSI coded ballast has 12-Inch stranded wiring. This ballast features constant wattage autotransformer circuitry. Ballast operates at the frequency rating of 60-Hz. Ballast with 10 mF 400-Volt dry film capacitor, offers 0.9 power factor. Ballast measures 3-15/16-Inch x 4-Inch x 2-13/16-Inch. HID Ballast kit is UL listed and CSA certified.