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 . Car Model: for A4, for A6, for Accent, for Accord, for , for Asx, for , for , for , for 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:2 x Ballast Only the above package content, other products are not included. Note: Light 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.