Capacity 27 L - Digital Electronic Lock EN 1300 certified, controlled by a high performing electronic system provided by non-volatile memory. Front and Door Thickness 10 mm Laser Cut Opening/closing with recessed knob and locking by electromagnet. Internal power with alkaline battery (not included). High quality membrane keyboard with 4 leds. Acoustic and visual signals to confirm codes, errors and internal battery deficiency. Emergency external power outlet with contacts directly on keyboard. Nickel-plated rotating steel bolts ø 22 mm. Lock mechanism protected by a manganese-steel plate. Special door battens for exceptional resistance against robbery attempts using a sledge hammer. Internally welded by a robot-controlled system. Front panel seam-welded to the casing by a robot-controlled system. Removable internal shelf. Anchor tongues on the 4 backs sides against jerks-attempts. Oven dried thermo-hardening powder painting. Emergency Key opening with double-bitted key lock