for Dell original OEM IR Infrared Web Camera unit with integrated microphone for the following Dell laptops that have the optional IR cam:

for Dell Laptops:
-Latitude 7400, 5300, 5300 2-in-1, 5500, 5501, 5401, 5400, 3500, 3400, 3310 2-in-1, 5310, 3410, 3510, 5511, 5510, 5411, 5410, 5320, 5520, 5420, 5421, 3520, 5521, 3420
-Precision 3541, 3540, 7540, 7740, 3551, 3550, 7550, 7750, 3560, 7760, 7560, 3561

for Dell P/N: 0XMGG, 00XMGG

NOTE: compatible with the above systems that were shipped with the optional IR infrared web cam.