... Works well with dry, moist, or rough fingerprints Compatible with Windows. XP, 2000, Me, 98, NT. 4.0 and ... x 39 mm x 9.1 mm · Compatible with USB 1.0, 1.1 and 2.0 (Full ... Speed) specifications · Supply Voltage: 5.0V ±5% supplied by USB · Supply Current – scanning 190 mA (Typical) · Supply Current ... FCC Class B, CE, ICES, BSMI, MIC, USB, WHQL. Professional Desktop Fingerprint Scanner/Reader with USB