This is a genuine Dell original OEM backlit keyboard for the Dell XPS 13 (L321x) Ultrabook / Laptop and the XPS 12 (9Q23) Convertible Laptop.
Compatible Dell Laptops/Notebooks:
XPS 13 (L321x) Ultrabook
XPS 12 (9Q23) Convertible
DP/N: X52TT, 0X52TT