Universal™ HID Distributor Replacement Kit, High Pressure Sodium Lamp, 400 W Lamp, 467 W, 120/480 VAC, 1 A, 60 Hz, Pulse Start, -40 deg F Minimum Starting, Power Factor: 0.9, Dimmable: No, 1 Lamp, Medium Lamp Base Type, Ballast Factor: 1, 100/105 deg C, Copper, 5.75 in L x 4.25 in W x 4.1 in H