Digital Media Drive: Play your favorite DVD's, MP4, DIVX, & XVID movies, or MP3 audio files from a DVD-R/RW or CD-R/RW discs. SDHC Card Reader. Read up to a 16gb SDHC card for MP3 audio and MP4 video playback, or view & save photos with the JPG photo viewer.. Full Operation Touch Screen Controls. Effortlessly balance the subwoofer volume with a separate sub level control & selectable 80Hz,120Hz,or 160Hz low-pass. Rear View Camera Input: Stay clear of objects your mirrors can't see with a rear view camera connected to the triggered camera input.. Effortlessly balance the subwoofer volume with a separate sub level control & selectable 80Hz, 120Hz, or 160Hz low-pass. You'll find navigating through the extensive features of PTID-8920 an ease with a tap of the screen to access all menus and settings.