The XS4 Locker provides high level security to a wide range of lockers, cupboards, cabinets, boxes, etc. by integrating it into the SALTO wire-free electronic access solution. It features an ergonomically designed twist operated locking handle that makes for easy use, even with wet hands. The battery pack, electronic components and locking mechanism are all located on the inside of the door, safe from potential vandalism or sabotage.