US English Backlit Keyboard with Shell C Cover Palmrest Upper Case and Touchpad for Lenovo Legion Y720-15IKB Laptop 5CB0N67272 _ - AliExpress Mobile
Amazon.com: New US Black Backlit English Laptop Keyboard (Without Frame) Replacement for Lenovo Legion Y520-15IKBN Y720-15IKB Light Backlight : Electronics
GitHub - Izurii/Lenovo-Y720-KB-Led-Controller: Controller for the backlight of the Lenovo Legion Y720 keyboard.
Amazon.com: Replacement Keyboard Backlit for Lenovo Legion: Y520 Y520-15IKB Y720 Y720-15IKB R720 R720-15IKB Y530 Y730, Moon2020 Laptop Keyboard for 9Z.NDKBN.D01 NSK-BUDBL, US Layout : Electronics
Amazon.com: Replacement Backlit Keyboard Without Frame for Lenovo Legion Y520 Y520-15IKBN Y520-15IKBN Type 80WK Y720 Y720-15IKB Y720-15IKB Type 80VR, US Layout Black Color : Electronics