TomTop has a Genric 7″ 2-Din Car Stereo System with Rearview Camera for $59.99 with Free Shipping for a limited time. In terms of sepcs, this is not the best stereo but for $60 bucks, it offers good value.

The stereo has a 7-inch touchscreen with a 800 x 480 native resolution, built-in FM tuner, Bluetooth, aux in pot, microSD card slot, and USB port. It supports a variety of digital audio and video formats and comes with a rearview camera.