ETL Verified for Fire Endurance of 30 minutes at 1400°F. ETL Verified water resistant for 12 in. of water for 72 hours. Programmable electronic lock with override key. 7 oversized bolts with thicker door. Bolt down kit included. 2 multi-position shelves. Carpeted interior. 3.4 Cu.Ft. Exterior: 21.69 x 19 x 27.75 po. H.