Good laptop every Dell XPS 15 L502X offers a high resolution screen and excellent speakers. all products of dell are very good. dell laptop is very useful for us. dell laptops have a good battery life. it’s have a very slim body. It has intel core i7(2nd Gen) 2GHz processor along with 6GB of RAM, hard disk Capacity= 640GB, operating system= window 7, Screen size= 15.60 inch, battery= 6 cell, weight= 2.8 kg. the laptop is very good in battery backup