Lenovo ThinkPad X200 12.1" Touchscreen LCD 2 in 1 Notebook - Intel Core 2 Duo SL9600 Dual-core (2 Core) 2.13 GHz - 2 GB DDR3 SDRAM - 160 GB HDD - Windows 7 Professional 64-bit - 1280 x 800 - Convertible - Black

The ThinkPad X200 notebook computers offer uncompromised performance, productivity, and great technology. They offer extremely long battery life in a thin, light, and very portable small form factor that makes them easy to carry anywhere your business or leisure takes you.The ThinkPad X200 notebook is light weight model. It has met the EPEAT silver standard for energy and cost saving. Also, this model is GREENGUARD indoor air quality certified.