Embedded modules store and process biometric data on the device. USB or RS 232 interface. Patented Lumidigm optical multispectral imaging (MATCH-ON-HOST). Image resolution / bit depth: 500 dpi / 8-bit, 256 grayscale. Finger touch to image capture: 200 ms. Finger touch to 1:N score: 2.0 sec (typical, 1,000 users). Ingress protection: IP65 dust and water protection at platen. Device interface: USB 1.1 or 2.0, RS-232 (115.2 kpbs). Operating systems supported: Windows 10/8/7 (32b/64b), Windows XP, Linux, Android.