The Apple MLL42HN/A 13" MacBook Pro with Retina display is an ultraportable notebook computer with a thin and lightweight design. It is housed in a sleek aluminium shell. It features a 13.3" (diagonal) LED-backlit display with IPS technology, 8GB of 1866MHz LPDDR3 memory, 2.0GHz dual-core Intel Core i5 processor, 256 GB flash storage, full-sized keyboard, complete with an ambient light sensor and backlit keys. Beautiful and Durable Design Unibody construction means a higher-precision, less complex design with fewer parts. That translates to a notebook that’s exceptionally thin and light, yet durable enough to handle the rigours of everyday use. The Macbook Pro's LED-backlit retina display with IPS technology features a resolution of 2560 x 1600 pixels giving you awesome picture quality and provides vivid colours and clear images from any angle. It features a full-size keyboard that’s just as comfortable to type on as a desktop keyboard. And the keyboard is backlit, so you can type in low-light conditions with ease. A built-in sensor detects changes in the ambient lighting and adjusts the keyboard and display brightness automatically, giving you the perfect illumination in any environment.