This is the Fingerprint reader module, compatible with the Dell Precision 7750 laptop.
Compatible Dell Laptops:
-Precision 7750
Dell FP Part Number: 47WXJ
Alt PN: GG7FN
NOTE: This module is for the 17" Precision 7750. The part number, GG7FN, is shared with other systems that have a slightly different screw hole pattern; be sure to verify your model as the Precision 7750.