First Alert, 0.17 CUFT, Fire Protector Chest, UL Classified, Has Been Tested To Withstand An External Temperature Measuring Up To An Impressive 1,550 Degrees For A Thirty Minute Time Period, Independently Verified To Protect Electronic Media Such As Memory Sticks, CDs, DVDs & External Hard Drives, 5 Year Limited Warranty, Interior Dimensions 3.7"H x 11.33"W x 7.09"D.