Disk Memory Capacity: 128MB ~2GB Fingerprint Record Capacity: 10 fingerprint templates Fingerprint Sensor: Semiconductor Sweep Sensor Hardware Interface: USB2.0 Resolution: 508 DPI Field Size: 192 x 16 pixels Gray Level: 256 levels (8 bits/pixel) False Rejection Rate (FRR) < 1/10,000 False Acceptance Rate (FAR) <1/1,000,000 Scanning Speed <1 second Matching Speed < 10ms Reading Speed: 11.7MB/s, Writing Speed: 7.12MB/s Operating voltage: 5V Operating Temperature -30 ~ +70 Operating Humidity 0% ~ 85%