This First Alert anti-theft safe is perfect for securing a laptop or notebook computer (up to 15 inches), electronics, valuables and personal items. The box holds 8-1/2 by 11-inch paper flat, and is constructed with double steel walls and one oversized door bolt for optimal security. Choose your own 3 to 8 digit passcode and reprogram it any time for easy access and peace of mind. It features welded steel construction, digital lock access, pry-resistant concealed hinges, an oversized live door bolt, and a removable shelf to help maximize space and organize belongings. The interior is completely lined with carpet and the safe comes with mounting hardware for bolting to a shelf. It is also pre-drilled for mounting to a wall.