Not sure if the MacBook has a HDD, battery or RAM installed, assuming it doesn't given the bottom looks.

Brand: Apple
Series: MacBook Air
Processor: Intel Core i7
Screen Size: 13 in
Release Year: 2011
RAM Size: 4 GB
Model: MacBook Air
Hard Drive Capacity: 256 GB
MPN: A1369
SSD Capacity: 256 GB