This is the power button circuit board, for the Dell Precision 7670 and 7680 Laptops that have the optional fingerprint reader.
Compatible Dell Laptops:
Precision 7670
Precision 7680
DPart Number: N646P
Alt Part Number's:
HDC50
LS-L884P
NOTE: There are two different versions of this power button board- this part number does NOT include the LED light, this is for systems that have the optional fingerprint reader and power button combo.