Integrated one piece Ballast, simplified wiring which eliminates any unnecessary confusion during install. This ballast will give out more consistant output, meaning color will be more even and accurate. Ballast with aluminum case: waterproof, anti-shock and low-voltage protection. Plug & play: easy to install and no modification required. As high as 55W power supply, the item greatly reduces vehicle power system load and can save power loss up to 50%. Easy to install, the item is an optimum tool for you. Car Model: for A4, for A6, for Accent, for Accord, for Astra, for Asx, for Camry, for Civic, for Corolla, for Cruze etc. Specifications: Output Power: 55W Input voltage: 9-16V Input current: 10A max. Working voltage: 12V Working current: 4.2A Operating temperature: -40~105 Centigrade material: plastic Package includes:1 x Ballast Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.