Philips Advance Ballast - 71A6572001D - MH Ballast 1000W M47 Quad Kit Includes: Capacitor, Core and Coil, Mounting Bracket, Igniter and Hardware Type: Magnetic Max # of Lamps: 1 Lamp Wattage: 1000 Voltage: 120-277 Volts AC Start Method: Pulse Start Lamp Type: Metal Halide ANSI Code: M47 Length: 6" Width: 4.5" Height: 4.35" Warranty: 2 Years