Features include lockable front and rear doors and a sturdy security cable attachment ring (padlocks and security cable not included); built-in dividers and cable organization that keeps bulky adapters out of the way; large 5" removable non-marking locking casters that allow for easy movement over rough and uneven surfaces; digital charging technology charges 15 devices at a time in 15-minute intervals for faster, more efficient charging, and helps lower the temperature inside the cart to prolong device life; and a push handle.