... fingerprint image, and through USB interface to transfer digital ... USB offers Intake fingerprint: 190mA (typical) Idle: 140mA (typical) Hangs: 1.5mA (max) Anti-static:> 15 KVOperating temperature: 0 centigrade -50centigradeOperating Humidity ... : 20% -80% Picture image:8-bit grayscale image data Standard: FCC Class B, CE, ICES, BSMI, MIC, USB ...