Backlit Keyboard for Dell LatituDE 5520 5521 Laptops - Replace part number N7N16

1.100% Brand new and high quality. 2.This product are tested before shipping. 3.Please make sure you are buying from keyboardmall. 4. Special skill and techniques required for proper installation. 5.Easy for you replace your faulty,cracked or broken one ,seller remind that you should replace this in the off state.