Bulldog BD4010 Magnum Led Digital Vault with Automatic Bolt SystemFeatures30% Heavier than mostQuick access spring loaded door automatically opens when the correct code is enteredEasy access LED "Nightlight" buttons30 second interior LED light when vault is openedAudible sound may be mutedThick egg crate interior paddingSpecificationRequires 4 "AA" batteries (not included)Exterior dimensions: 11" x 8" x 7.25"