Magnum LED Digital Vault with Auomatic Bolt System. Bulldog's Magnum Safes are the heaviest, most tamper-resistant safes in their class--Extra heavy-duty construction and weighs up to 30% more than comparable models--LED "nightlight" buttons--Interior LED light that remains lit for 30 seconds when the door is opened--Unique spring loaded door--Door automatically opens when correct code is entered--The programming button has a secure cover to prevent unauthorized access and the two chrome plated locking bolts have been designed for maximum security--Padded interior--Pre-drilled mounting holes--mounting hardware included--Key override--Requires 4 "AA" batteries (not included).