This 12U wall mount swing-out cabinet comes with a lockable front door, lockable swing out back and removable/lockable side panels. The cabinet can be mounted so that the swing-out function can open left or right. The front door can be installed to swing open left or right as well. The front door and side doors are vented for increased airflow as well. Fans holes are located top and bottom to add the airflow. It is typically used for housing network and DVR equipment used in small offices and homes. (Fans sold separately. Click here for fan kit).