Interior: 19.5"H x 15.5"W x 16"D. Commercial Fire Rating of 125 2-Hour for magnetic media (DLT, LTO tapes, etc.), hard drives, backup drives, film, and photographs. Impact Rated: The impact test includes dropping the safe 30 feet onto concrete rubble, then reheating in the fire. This simulates actual conditions in a fire when the floor gives out. Holds 108 DLT, 135 LTO Tapes. (1) shelf included with safe. Key lock with (2) keys included for ease-of-use. With both humidity and temperature control, these safes are specifically manufactured to protect backup tapes (DLT, LTO), iPads, Smartphones, laptops, hard drives, film, memory cards, CDs, data cartridges, and any magnetic media. Features a double-door construction with internal water resistant seals to prevent water damage from fire hoses and sprinklers. Your purchase includes a 3-Year Parts and Labor Warranty on the safe and lock. Lifetime After-a-Fire Replacement Warranty: If your fireproof safe is ever in a fire it will be replaced at no charge.