Wall Cabinet: Install Inside Only. With 28 Numbered Hooks And Stickers To Organize The Keys In Numerical Order And Keep Them Neatly Organized. Ideal For Schools, Home, Businesses, Estate Agents, Etc.Combination Lock: The 3-Digit Code Lock Offers 1000 Combination Methods. And The Inside Control Lever For Password Lock Can Effectively Prevent It From Accidentally Reset.Resettable Code: Initial Code: "000". Push The Control Lever Inside The Cabinet From A To B, Set The Desired Code, Then Pull The Lever From B To A To Complete The Code Reset.Secure Construction: 20 L X 7.6 W X 25 H (Cm). Made Of 0.8Mm Frosted Sheet Steel For Optimum Safety. And The Strong Piano Hinge Makes It Unlikely To Be Opened To Prevent Forced Entry.28 Labels In 5 Colors: Contains 28 Larger But Lightweight Labels With Write-On And Erase Window Labels For Easy Visibility. Easily Identify Keys With Color Coding And Labeling.