Lenovo Option tape
5R61A19540
is compatible in the following Models:
Lenovo ThinkPad X Series laptops
ThinkPad X12 Detachable Gen 1 (20UW, 20UV) Laptop - 20UW007RFR
ThinkPad X12 Detachable Gen 1 (20UW, 20UV) Laptop - 20UWCTO1WWENAU1
ThinkPad X12 Detachable Gen 2 (Type 21LK, 21LL) Laptops - 21LKCTO1WW