You a bidding on a gently used Apple Macbook model A1278 with 500 GB Hard Drive and Power Supply.&nbsp; Examine the pictures carefully, there are 2 vertical lines on the display.&nbsp; This Macbook has been in storage for awhile, The data files on the hard drive have been wiped but "Mac OS" is still there to be installed.&nbsp; Press "Option + R" when powering on to re-setup Mac OS. Detail specs can be found here https://support.apple.com/kb/SP583?locale=en_US<br>