Features: Technical disassembly and installation required. Please Install it very professionally Each Keyboard is tested before shipping and working . Made of high quality material for long service life. We have good after-sales services. Laptop keyboard for Thinkpads W540 T540P W541 T550 W550S L540 L560 E531 E540 P50S T560 Laptops 04Y2426 Specifications: Item:Laptop Keyboard FRU: 04Y2426 Color: Black Version: US Version Package Size:Standard Quality Condition: Brand New Optional Type: Without Pointing/ With Pointing/ With Pointing and Backlit Fit for:Thinkpads W540 T540P W541 T550 W550S L540 L560 E531 E540 P50S T560 Laptops Package Includes: 1 Set x Keyboard note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!