General Spec Color black Screen 7-inch digital Hitachi TFT-LCD Physical Resolution 800*480 RGB Support Resolution 640*480-1024*768 Visual Angle 40 (l), 30 (u) Brightness 400 Contrast 300 AV Chromatic System  PAL/NTSC (auto switch) Working Power DC11.5V-13V or AC100V-240V Electronic Consumption 10W (max) Operation Temperature -20-60 ° Input Port 2 RCA video input, audio input, earphone jack input, VGA input, USB input, power input Function OSD menu, touch screen for PC display, built-in speaker and earphone jack, AV (compatible with CD, VCD, DVD, GPS) PC Operation System Windows XP, VISTA, CE/UNIX, ME and 2000 Gross Weight (1pcs/ctn) 1.4kg Gross Weight (10pcs/ctn) 15kg Features Easy installation, easy use but full enjoyment. Wireless remote for your convenience.