Bestcompu&reg; New Lenovo Thinkpad L540 T540 W540 E531 E540 T540P Backlit With Frame Keyboard 0C44952 04Y2387 KM BL-105US MP-12R63USJ387W Keyboard Layout: US English keyboard Frame: YES Keyboard With backlit Function: YES Content: Keyboard comes with ribbon cable Condition: Brand New Lenovo Laptop Keyboard.