The Samsung ATIV Book 9 is so easy to carry - and so unique - you won't want to be without it. Its super-slim components, like the LCD panel, fan and memory, are tailor-made just for the ATIV Book 9. And an innovative single shell body enables them to be seamlessly and precisely built into the frame.With the Samsung ATIV Book 9 it's easy to get things done - night and day. Its screen and backlit keyboard automatically adjust to the light conditions using an auto-sensor. So they always provide the optimum brightness for maximum comfort and ease of use, even in particularly dark or bright environments.