... The U.are.U 4000B is a USB fingerprint sensor designed for use with Digital Personal U.are.U. Applications and ... The user simply places his/her finger on the glowing sensor window, and the device quickly and automatically captures the ... Humidity, Storage: 20% - 90% non-condensing* Standards Compliance: FCC Class B, CE, VCCI* Applications for desktop PC security,mobile PCs, Custom applications, home ...