The Audiovideo Volvo EMV400 is an electronic device designed for Volvo vehicles, used for managing the audio-video system inside the car. Its casing is black and has a rectangular shape, with approximate dimensions of 20 cm in length and 20 cm in width, according to the ruler in the image. On the surface of the device, there is a yellow warning sticker that states the following: “Surge Voltage 36VDC. For 24V vehicles. Max. Voltage does not exceed 36V.” The device is equipped with four mounting points, two on each side, for easy installation in the vehicle.