Integrated one piece , simplified wiring which eliminates any unnecessary confusion during install.This will give out more consistant output, meaning color will be more even and accurate. 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 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 , for Accord, for , for Asx, for , for , for , for Cruze etc.Specifications:Output Power: 55WInput voltage: 9-16VInput current: 10A max.Working voltage: 12VWorking current: 4.2AOperating temperature: -40~105 Centigradematerial: plasticPackage includes:1 x 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.