Description
MTF / spatial resolution : Exceeds 4.0 Ip/mm 60% contrast Pixel resolution : 18.4 to 20 pixel/mm Iris image pixel resolution : 640 x 480 pixels Image output : Meets or exceeds ISO 19794-6 Optical path distance : 350 to 380 mm Depth of filed : 30 mm (1.2 inches) Inter-pupillary distance covered : 40 to 90mm (1.6 to 3.5 inches) Time of capture : Typically around 1 second, from time of head placement IR illumination for iris imaging : Dual LED : wave lengths of 850 nm nominal (about 60%) and 750 nm nominal (about 40%) Internal LED for pupil contraction : Broadband visible (white) External LED indications for operator assisted positioning : Red: Device position is too high, Blue: Device position is too low, Green: Device position is OK, White: Image capture in progress Operating temperature range : 0 to 50 CHumidity : 10 to 90% RH, non-condensing Eye safety standard : IEC 62471, IEC 60825-1 Durability : IP 64 intrusion prevention standard Interface : USB 2.0 High Speed or USB 3.0OS compatibility : Windows 7, 8, 8.1 (32 and 64 bit), Linux Ubuntu 12.04 distribution, Android 4.0 and aboveOther certifications : CE , FCC, USB-IF, India STQC, RoHS, WHQL