... reader, Module,.S.B Fingerprint Reader U are U 4500 fingerprint Sensor,fingerprint reader, Module,.S.B Fingerprint Reader U are ... U 4500.S.B Fingerprint Reader U are U 4500The product ... temperature: 0 -40 Operating Humidity: 20% -80% Standard: FCC Class B, CE, ICES, BSMI, MIC, USB, WHQL, VCCI Specifications: Pixel resolution ...