Power Acoustik PTID-8920B In-Dash DVD AM/FM Receiver with 7-Inch Flip-Out Touchscreen Monitor and USB/SD Input Built-in Blue Tooth 2.0: Safely make and receive hands-free phone calls, scroll contacts lists, and stream MP3's via A2DP from your enabled Smartphone SDHC Card Reader. Read up to a 32gb SDHC card for MP3 audio and MP4 video playback, or view & save photos with the JPG photo viewer. Full Operation Touch Screen Controls. You'll find navigating through the extensive features of PTID-8920B an ease with a tap of the screen to access all menus and settings. Subwoofer Output: Power a subwoofer amp with the included 80Hz low-pass crossover RCA output Rear View Camera Input: Stay clear of objects your mirrors can't see with a rear view camera connected to the triggered camera input.