Languageschinese russian spanish french english screen resolution800 x 480 external memoryup to 4gbsd card digital tv or analog tvanalog tv display ratio169 screen size7 inch media typedvd mp4 mp3 vcd cd rrw cd radio response bandwidtham 520 khz 1700 khzfm 87 mhz 110 mhz warranty1 year operating systemwindows ce brandchtechi typein dash dvd player featuressdusb support touch screen subwoofer output steering wheel control rds ipod built in bluetooth din2 din