Stack-On 66 Gun Fire Resistant Security Safe with Electronic Lock and Door Storage E-66-MB-E-S Matte Black: * Electronic Lock * Additional door storage * Operational lights for open, low battery warning and incorrect entry * Includes 8 adjustable shelves and a trouble key * Time out period after 3 incorrect attempts * Batteries accessible from the front of the safe * Easy to replace batteries * Security tested * Fire rated * Fully convertible * Holds up to 66 firearms * Tested and listed as a California DOJ Firearm Safety Device * ETL tested and verified to be fire resistant for 30 minutes up to 1400° F