Electronic lock - Capacity 17 L - has 1 shelf Product Features Wall & Body thickness: 4 mm Without base mat (suitable for 2x A4 folders) Double bolt locking mechanism Incl. 2 emergency keys and emergency power supply Power supply via 4x AA batteries Alarm issued if the code is entered incorrectly 3 times or vibration (separate activation) Equipped with an LED control lamp Designed for wall installation, includes fixing material Number code: 1 – 8 digits