Bulldog Magnum Led Vault W/ Auto Bolt System Interior Shelf Black BD4020 The Magnum Led Digital Vault With Automatic Bolt System Is 30% heavier Than Most Other vaults, Of Similar Size. It Has a Quick Access Spring Loaded Door, That Automatically Opens When The Correct Code Is Entered. This Vault Has a 30 Second Interior Led Light, When The Door Is Opened. The Thick Egg Crate Interior Padding protects Valuables, While The Interior Shelf adds Extra Storage. Vault Requires 4 AA Batteries (Not Included). Type: Personal Vault Color: Black Dimensions: 9.75" X 13.75" X 9.75" Interior: Egg Crate Foam Bottom