ALL UNITS TESTED IN EXCELLENT WORKING CONDITIONDesigned in specifications for and performance.High quality and easy to installStable performance and high reliability.Condition: newWaterproof rate: IP 68Operation voltage:DC 12VWorking temp: -40 ~ +80 Shell meterial: aviation aluminumFitment Type: Direct ReplacementPart Number: A1668203589 - A166 820 35 89, A 166 820 35 89 - A 1668203589, A2189009303 - A218 900 93 03, A 218 900 93 03 - A 2189009303Fitments:For A-Class W176 2014-2016For CLA-Class W117 2014-2016colour: silver + blackMaterial: metalPackage Contents:1 x Ballast Control Unit ModuleOnly 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.