First Alert 2087DF Waterproof 1 Hour Fire Safe with Digital Lock, 0.94 Cubic Foot, Gray 0.94 cubic foot capacity and durable construction Backlit digital keypad with emergency override key 4 door bolts and pry-resistant concealed hinges 1 removable/adjustable shelf UL classified 1 hour resistance to fires up to 1700 degrees Fahrenheit while maintaining an internal temperature of less than 350 degrees