Philips Advance Ballast - 71A6071001D - MH Ballast 400W M59 Quad Kit Includes: Capacitor, Core and Coil, Mounting Bracket, Igniter and Hardware Type: Magnetic Max # of Lamps: 1 Lamp Wattage: 400 Voltage: 120-277 Volts AC Start Method: Pulse Start Lamp Type: Metal Halide ANSI Code: M59 Length: 4.75" Width: 3.9" Height: 4.4" Warranty: 2 Years