Stack-On 16 -Gun Fire-Resistant Security Safe with Electronic Lock, E-16-MB-E Matte Black: * Tested and listed as a California DOJ Firearm Safety Device * ETL tested and verified to be fire-resistant for 30 minutes at up to 1400 degrees Fahrenheit * Electronic lock includes operational lights for open, low battery warning and incorrect entry * There is a time-out period after three incorrect attempts to open this Stack-On 16-gun safe * Batteries are accessible from the front of the safe with electronic lock and are easy to replace * A drill-resistant, hardened steel plate is located behind the lock for greater security * A trouble key is included with this fire-resistant safe * 4-way locking with new 1.5" live action locking bolts that feature eight locking points. * Live-action locking bolts are extended and retracted by rotating the 3-spoke, all-steel handle * Removable shelf is included with the Stack-On 16-gun safe * Shelf is positioned in the back of the safe so longer firearms can be stored in the front along the side walls