... simply places his or her finger on the glowing reader window, and the reader quickly and automatically scans the fingerprint. On ... well with dry, moist, or rough fingerprints Compatible with Windows. XP, 2000, Me, 98, NT. 4.0 and Windows Server 2000 ... Compliance: FCC Class B, CE, ICES, BSMI, MIC, USB, WHQL. Professional Desktop Fingerprint Scanner/Reader with USB