Overall Size: 3-1/4" Width X 4-3/4" Height X 1-1/2" DepthInternal Dimension: 2-1/4" Width X 3-1/4" Height X 1" DepthLarge Key Storage Compartment Holds Up To 5 House, Car Or Padlock Keys4-Dial Resettable Combination Provides Simple, Set-Your-Own Passcodes For ConvenienceKey Storage Door Pivots Open Smoothly And Remains Attached To Lockbody Reinforced Body Withstands Hammering And SawingShutter Door Provides Enhanced Weather ResistanceMounts Easily To Any Wall Or Flat Surface With Included Hardware