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 The Rottner Key Home 24 is the ideal storage place for up to 24 keys, which are neatly and clearly stored on hook rails (permanently mounted). The solid steel key cabinet is operated with an electronic lock, master and user code. The battery is easy to replace as the battery compartment is located on the outside and the fixing material is included for professional wall mounting. A central place for your keys - the Key Home 24!