This is the LED light circuit board that indicates the system's power, battery, and HDD status, compatible with the Dell Latitude 5500 Laptops.
Compatible Dell Laptops:
-Latitude 5500
-Latitude 5501
-Latitude 5510
-Precision 3541
-Precision 3540
-Precision 3550
Dell Part Number: RNF94
Alt Part Number's:
EDC50_LED_FFC
NBX0002FL00
LS-G901P