Powerful, Rugged and Wireless. 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 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 hours of battery life. 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. * model CF-31S 1 Tested by national independent third party lab following MIL-STD-810G Method 516.6 Procedure IV for transit drop test and IEC 60529 Sections 13.4, 13.6.2, 14.2.5 and 14.3 for IP65 Intel, the Intel logo, Intel Core, Intel vPro, Core Inside and vPro Inside are trademarks of Intel Corporation in the U.S. and/or other countries

• Genuine Windows® 7 Professional (32-bit or 64-bit) • Intel® Core™ i5 and i3 processors • Switchable discrete graphics (on i5-2540M CPU model) • 13.1" 1,200 nit sunlight-viewable touchscreen • Panasonic CircuLumin™ technology (on i5 CPU models) • 13.5 hours battery life -- 20 hours with optional media bay 2nd battery (2520M CPU model) • MIL-STD-810G and IP65 certified laptop • 6-foot drop rating • Full magnesium alloy case with handle • Shock-mounted, flex-connect hard drive with quick-release • Hard drive heater • Reinforced locking port covers • Optional integrated 4G LTE (Fall 2011) or Gobi™2000 3G mobile broadband