Lock: Electronic lock with master and user code Short locking time after 4 incorrect code entries Battery indicator lights up when the battery is low 4 x 1.5 V AAA batteries not included Security features: Single-walled key cabinet 1.2 mm solid steel Door leaf thickness: 1.2 mm Door has a hinge at the top and bottom Installation: Prepared for wall mounting Accessories: Hook strips are not adjustable 68 hooks included The Rottner Key Home 68 is the ideal place to store up to 68 keys, which are neatly and clearly organised on hook rails. The solid steel key cabinet is operated with an electronic lock, master and user code. Easy battery replacement, as the battery compartment is located on the outside;The fixing material is included for professional wall mounting. A central place for your keys - the Key Home 68!