Wall Mounted Cabinet: Install it INDOORS ONLY. With 48 hooks and number stickers to arrange keys in numerical order and keep them neatly organized. Ideal for schools. home. companies. real estate agencies. etc. Combination Lock: The 3-digit code lock provides 1000 combination methods. And the inside control lever for password locking can effectively prevent it from accidental resetting. Resettable Code: Initial code: 000. Push the control lever inside the cabinet from A to B. set your desired code and then pull the lever back from B to A to complete code resetting. Secure Construction: 20 L x 7.6 W x 25 H(cm). Made of 1 mm thick heavy-duty steel sheet for optimal security. And the solid piano hinge makes it unlikely to be pried open to avoid forced entry. 48 Tags in 9 Colors: Contain 48 compact and light key tags with labels to write and clear windows for easy visibility. Easily identify keys by both color coding and labeling.