Roof mounted car dvd Display method: tft active matrix system Resolution:1920(h)x480(v)/2400(h)x640(v) Brightness:400 nits Contrast ratio:350:1/400:1 Viewing area left/right:65ípmin/65ípmin. Top:65ípmin/50ípmin Bottom:65ípmin/60ípmin Screen swivel angle:left 80íp / right 80íp 2 audio/video input, 1 audio/video output Built-in speaker Tv system:ntsc/pal/secam Power requirement: dc 12v+/-10% Compatible with mpeg4/divx/ dvd/vcd/cd/mp4 /mp3/wma/jpeg...Etc. Anti-vibration dvd mechanism Fm transmission:87.8mhzíó87.9mhzíó88.1mhzíó 88.3mhzíó88.3mhzíó88.8mhzíó89mhz Remote control: wireless ir remote control Osd control: supported Infrared transmission: wireless ir supported Tv tuner built-in With usb, sd/mmc card reading function With vga interface Operating temperature:-10ípc -+60ípc Storage temperature: -30ípc -+70ípc Picture mode:16:9 screen Optional function:tv, ir, usb&sd/mmc slot, Fm transmitter