The 3.2 lb. Panasonic Toughbook C1. It features an array of industry-leading advancements, such as being the first rugged convertible to offer hot-swappable twin batteries for continuous use. The Toughbook C1 is available with a multi-touch + digitizer screen for finger and gesture computing and an electronic stylus. The ergonomic strap and dome cradle the hand for comfortable long-term use. The Toughbook C1 features a unique, durable triple hinge design-- two hinges for opening and closing the screen, and another hinge for rotating the screen into tablet mode.