Inspired By Top-of-the-line Luxury Sedans And A Design Concept Integrating External Quality And Internal Performance, Msi Created The Cr640, A Laptop Computer Characterized By Unassuming Sophistication And Beauty. The Jet Black Color And Brush Finish Underscore The Unparalleled Elegance Of The Cr640. The Cr640 Uses A Built In Light Sensor To Automatically Adjust The Screen Brightness For Optimal Viewing Based On The Ambient Lighting In Your Surroundings, Making The Computer Easier To Use On Your Eyes, While Maximizing Power Efficiency.