Delta “Competition 505 Series HID's" were designed with professional racing in mind. They are encased in a tough 20-gauge steel housing, which are stylishly black powder coated or triple-chrome plated for durability and long lasting performance. They are equipped with European prismatic lead-crystal lens for maximum photometric performance. These may be the toughest and most powerful racing / off-road lights ever offered. MADE IN USA. These lights are powered by our new Internal Ballast H.I.D. System which generates 20,000 Volts and a near daylight illumination but drawing only 5.8 AMPS. .Each kit contains 2 internal ballast HID lamps, 2 covers, mounting hardware, and wiring harness with switch, fuse, and relay.