This Notebook keyboard is a high-quality refurbished product that fits perfectly with the Dell XPS 15 L502X, 14R N4110, N4050, M4040 and M4110 laptops. With its backlit function, this keyboard ensures that you can type effortlessly even in the dark. The refurbished keyboard has been carefully overhauled and tested to ensure that it functions like new again. All keys have been thoroughly cleaned and checked so you can enjoy a smooth and responsive typing experience. By choosing a refurbished keyboard, you also help reduce electronic waste and contribute to a more sustainable planet. The installation of this refurbished keyboard is simple and requires no technical knowledge. With the right tools and instructions, you can replace the keyboard yourself in minutes. This way you not only save money, but also time and effort. By choosing this refurbished keyboard for your Dell laptop, you are assured of a quality product that meets all your requirements. Whether you work at home, in the office or on the road, this keyboard ensures that you can stay productive and work comfortably. In short, this Notebook keyboard for the Dell XPS 15 L502X, 14R N4110, N4050, M4040 and M4110 laptops is the perfect choice for those looking for a reliable and affordable refurbished product. With its backlit function, smooth typing experience and easy installation, this keyboard is sure to meet all your expectations.