This product is a control unit for Volvo, with part numbers 20555285 and 20558553. It is an important component for the vehicle’s ignition system. The unit has an elongated shape, with a black body and a white section at one end. Based on the image, the total length of the control unit is approximately 32 cm, measured with a standard ruler. The connector at one end is black and is designed to fit the specific electrical systems of the Volvo vehicle. This control unit is essential for the optimal functioning of the engine and for ensuring reliable performance.