The T540p meets eight US military-spec tests for ruggedness, durability, and quality: high pressure, humidity, vibration, high temperature, temperature shock, low pressure (15,000 ft), low temperature, and dust. In addition, innovative roll-cage technology and glass-fiber reinforced plastic add extra strength and rigidity. 4th generation Intel CoreTM processors deliver the performance to increase productivity for your business. Devices turn on in an instant and are always up-to-date. You can multitask quickly and move effortlessly between applications, collaborate wirelessly in a high quality videoconference - all with the convenience of longer battery life. Plus, you can guard against identity theft and ensure safe access to your network with built-in security features. In fact, the only thing more amazing than an Intel Core processor-based PC is what your users will do with it. Full-sized and spill-resistant, the ergonomic ThinkPad keyboard is renowned for its array of keys, excellent feel and TrackPoint pointing. Optimized for Windows 8 with convenient multimedia buttons and immediate access to view apps, it has LED status indicators and function-lock capability. With a larger, smooth trackpad and 5-point click integration-indicated by subtle bumps and stripes, the keyboard can be configured multiple ways. The powerful FHD display delivers bright, crisp visuals and a wide viewing range. Anti-glare technology makes the screen comfortable to look at even over the long haul.