The ZRS-166 is a wireless AM/FM/CD/DVD media receiver made by Carmedia. It is designed to be compatible with vehicles that have a 12-volt power source. It supports a wide range of audio and video formats including MP3, WMA, AAC, AVI, DVD, and DivX. The device also features a flip-down DVD/CD player, auxiliary inputs for connecting external audio sources, and a built-in USB port for connecting portable media players. The ZRS-166 also comes with a remote control, allowing users to control their car's media center from anywhere in the vehicle.