Rottner key cabinet S lock Modern electronic lock with 100 million changeover options Flat non-protruding membrane keypad with LED info Battery operation using 4 x AA 1.5 V (not included) Battery-saving mechanical locking/unlocking by means of rotary handle when battery is low.Mechanical emergency opening lock in case of SOS (no master code) with key, double Description: Body and door made of high-quality thin sheet metal, plastic powder-coated in light grey 50 key rings included free of charge. Hook strips are numbered and adjustable in the hook system Installation: designed for wall mounting 4 holes in the rear wall; Ø 5.5 mm Mounting material is supplied The Rottner S 50 key cabinet with modern electronic lock is a battery-operated small cabinet that is ideal for storing keys and is designed for wall mounting. Our hook rails are adjustable in a grid system and numbered consecutively. The delivery includes 50 key rings for your keys, as well as the installation material. Organisation, overview and security - Rottner S 50 key cabinet!