Hummer H3 radio removal to touch screen aftermarket stereo with AUX in, CDC, USB and SD card function, disc play format DVD/VCD/HVCD/MP4/MP3/CD/AVI/DIVX, radio RDS and so on. The dual zone function in it supports GPS and entertainment function work at the same time. It's on discount now: http://www.seicane.com/car-dvd-player-for-hummer-h3-with-gps-radio-tv-bluetooth-srd-8724