The First Alert 3035DF electronic, digital locking steel box protects important paper documents and photos from thieves. The box holds 8-1/2 by 11-inch paper flat, is constructed with insulated double steel walls for optimal security, and a protective floor mat. Choose your own 5 digit combination and reprogram it any time for easy access and peace of mind. Digital locking mechanism and electronic key ensure quick entry, and a flexible carrying handle means easy transport. An emergency override key gives you access should you forget the passcode.