Panasonic presents the Toughbook 31, the reliable Windows® 7 notebook 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 Intel® Core™ i5 vPro™ and i3 processors* 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 14.5 hours of battery life. Six generations of delivering rugged performance plus 14 years of consistent docking compatibility, and you have a computer that will go the distance with you anytime, anywhere.