Fingerprint Sensor Type : Optical Scratch Free Sensor *Pixel Resolution : 500 DPI +/- 1% *Platen Area : 3.5 x 3.2 in. (90 x 81 mm) *Capturing Format : Flat Four ngers & Two thumbs *Active Platen Area : 3.2 x 3.0 Inch (81.2 x 76.2 mm) *Finger Image Pixels : 1600 x 1500 Pixels *Pixel Depth : 8 Bits/Pixel (256 Gray Level) Capturing Speed : >= 4 frames/sec *Capture mode : Auto capture with built-in quality check (incorporates NIST quality considerations) *Interface : USB 2.0, USB-IF Compliance *Operating Voltage : 5V +/- 5% (USB Powered Device) *Current Consumption : Operating : < 375 mA (Max) & Stand By : <80 mA *Operating Temperature : (Max) 0 to 50 °C *Operating Humidity : 10-90% RH, non-condensing *ESD protection : Contact Discharge: +/- 4kV, Air Discharge: +/- 8kV *LED Indicators : Power, Status, and ngerprint image quality *Dimension : 173 x 147 x 121 mm *Weight : 3.6 lbs (1.6 kg) *Biometric Data Interchange Format : ISO 19794-2:2011 for minutiae & ISO 19794-4:2011 for Image Template, WSQ3.1, JPEG2000 *EMI / EMC Compliance : CE & FCC Part 15B class A *Environmental, Health and Safety : RoHS *Safety : EN/IEC 62368, IS 13252 (Part 1) *Image Quality : FBI’s IAFIS Appendix-F & Mobile ID FAP60 *Ingress Protection Rating : IP65 *Operating System : Windows x86 & x64, Android, Linux *Standard Software : SDK: MIDFinger_Enroll *Software Features : NIST compliance WSQ compression module,NIST compliance NFIQ Quality check,Segmentation of ats into single ngerprint images