For XPS 13 7390/9370/9380 Fingerprint Reader Power Button 78KKT 8G74W

Fingerprint reader integrated into the power button, compatible with XPS 13 models 7390, 9370 and 9380. Matches part numbers 78KKT and 8G74W. Designed as a direct replacement for the original fingerprint-enabled power button on the listed XPS 13 laptops.