Philips Advance Ballast - 71A8773001 - HPS Ballast 1000WS52 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: High Pressure Sodium ANSI Code: S52 Length: 6.0" Width: 5.75" Height: 4.35" Warranty: 2 Years