Panasonic presents the Toughbook 31, the reliable laptop offering the highest performance in its class along with the world's most rugged design. With drop shock protection and a MIL-STD-810G and IP65 certification1, it's the undisputed leader in the fully-rugged category. Its new Intel Core? i5 vPro? and i3 processors along with available discrete graphics, pack a punch, to deliver desktop-class performance and improved video/3D graphics. The Toughbook 31 offers a 13.1" brilliant 1200 nit touchscreen available with Panasonic CircuLumin? technology, integrated webcam and up to 13.5 hours (20 hours with optional media bay 2nd battery). Six generations of delivering rugged performance plus twelve years of consistent docking compatibility, and you have a computer that will go the distance with you anytime, anywhere.