Size large and sr storage: the capacity of the large boot cls combination is large enough (the intriere dimension is about 4.5 x 3.7 x 2 inches) to hold cls of home, office or other large cars; and can also store small things when necessary, such as crdit cards, identity cards, etc.Two unlock modes: this password vault has a 4-digit password and an emergency cl; it can define up to 10,000 combinations. You can set your own password and change it regularly for more security, making it difficult to encrypt. In case of forgetting the password, the emergency cl will be more convenient Easy install: this extrieur cls box comes with 4 screws and 4 nylon wall anchors to ensure that the combination of the cls boot can be installed on any solid surface. No hassle or extra work to drill a boot into the wall a cot plus lev. SOLID CONSTRUCTION: Our wall cls boot is made of durable aluminum alloy, which is tenched, resisting corrosion and intempries. Idal for an external installation.Large application: this large extrieur cls boot can be widely used in the home, garden, office, etc. Adventure to hide it under sand/rocks, etc.