P40 fingerprint livescan is a lightweight, compact, optical fingerprint device. Its 91mm height should be the ultrathin in optical four fingerprint scanner. USB 2.0 interface eliminates excessive cables. All these allow it to be easily integrated into new or existing applications. There are finger indications to guide operators to capture rolled and flat fingerprints on the panel of scanner. The software guides the operator through the capture process with onscreen prompts and graphical displays. Realtime image quality check, sequence verification, auto-positioning, auto-rotating, and autocutting functions ensure the capture of highquality prints which is convenient to operators.