Hallowell brand mini locker that has been custom paired with the Master Lock 3681 Electric locker lock which features optional FOB pairing for ADA access and multi or single user functions via the push button keypad. The lock also comes with the Master Lock 1566 administrator tool and software should you need to use it. The administration tool allows for remote programming of the locker combo when used in conjunction with the provided software. See the provided photos in the listing to find the specs on the locker and the lock itself.
The locker comes unassembled but comes with mounting hardware included.

The Master Lock 3681 is pre installed on the locker door.