Dell XPS 15 have a Powerful performance and Stunning display. Dell XPS 15 L502X provide unlimited experience. this product have good quality screen and battery backup is awesome. XPS laptops are designed to be the best, with the highest resolution displays, exceptional build quality, unique materials and powerful features. Dell provide onsite support for Dell XPS 15 L502X. this product also have optional 4k ultra resolution feature so this is awesome product.