Rocketek DOD Military USB Smart Card Reader/CAC Common Access Card Reader Writer/RT-SCR4 DOD Military CAC USB Smart Card Reader for Government ID, National ID, ActivClient, AKO, OWA, DKO, JKO, NKO, BOL, GKO, Marinenet, AF Portal, Pure Edge Viewer, ApproveIt, DCO, DTS, LPS, Disa Enterprise Email etc. CAC Cards Smart Card detection: Movement detection with auto power-off Automatic Detection of smart card type Short circuit and thermal protection Compatible with US Military and Government DOD ID cards for secure login Card types: ISO7816 Class A, B and C (5V/3V/1.8V) Smart Cards Free lifetime technical support and 24-month manufacturer's warranty and Peace of mind 90-day return period.