The ZRS-50 is a car media system produced by the Japanese electronics manufacturer, Divio. It is a full in-dash system with a waterproof, full-range 5" LCD display. It includes a USB port, an AV input and output, four channel audio pre-amplifier, built-in radio receiver, four channel amplifier, microphone input, Bluetooth, and hands-free calling. It also features built-in navigation and multimedia playback. With its high-quality components, the ZRS-50 offers an excellent car audio experience and great value for money.