Magnetic HID Kit, Magnetic HID Ballast, Pulse, 250 W, 120/208/240/277 V ac, 1.53 A;0.95 A;0.77 A;0.63 A, Non Dimmable, 1 Lamps, 4.8 in Length, 3.82 in Width, 4.3 in Height, 1 Ballast Factor, 0.90 Power Factor, 60 Hz, -40 °F (Starting Temperature) Operating Temperature, +105 °C (Ignitor) Operating Temperature, 5.176 kg