for This is the LED light circuit board that indicates the system's power, battery, and HDD status, compatible with the Dell Latitude 7480 and 7490 Laptops. This board is located in the back cover assembly.

for Compatible Dell Laptops:
-Latitude 7490
-Latitude 7480

for Dell P/N: Y81KR, 0Y81KR

Alt P/N's:
CAZ20
LS-E131P