macbook air 13,3-inch,new,unopen -

Processor Intel Dual-Core i5 - 1.7Ghz - 3MB shared L3 cache Operating System OS X Lion RAM 4GB DDR3 Graphics card Intel HD Graphics 3000 Screen resolution 1440x900 (native), 1280x800, 1152x720 and 1024x640 pixels at 16:10 aspect ratio; 1024x768, 800x600 pixels at 4:3 aspect ratio Screen size 13.3