General description ALL UNITS TESTED IN EXCELLENT WORKING CONDITION. Built to specifications for perfect fit and performance. High quality and easy to install with stable performance and high reliability. Technical specifications Condition: Brand New Waterproof Rate: IP 68 Working Voltage: DC 12V Working Temperature: -40 ~ +80 Shell Material: Aviation Aluminum Type: Direct Replacement Part Numbers: A1668203589, A2189009303 Color: Silver + Black Material: Metal Measurement allowed error: +/- 1-3 cm Compatibility and accessories Fitments: For A-Class W176 2014-2016 Fitments: For CLA-Class W117 2014-2016 Package Contents: 2 x Ballast Control Unit Module