Interface: USB1.1/2.0 Product weight: 79 g Product size: 97X55X35 mm (L X W X H) Finger sensor type: Semiconductor / Capacitive Area Type Working temperature: 0~50 degree C Storage temperature: -40 ~ 80 degree C Sensor size: 15X6.3X2.7mm (L X W X H) Resolution: 508dpi Gray level: 256 levels (8bit/pixel) Allowable rotation: f+15 degree FAR (False Accept Rate): 1/1,000,000 FRR (False Reject Rate): 1/1000 Scanning speed: 1 second Matching speed: