The SD-4000 Fingerprint Sensor is a USB fingerprint sensor designed for use with Digital Persona's U. Are. U. Applications and developer tools. The user simply places his/her finger on the glowing sensor window, and the device quickly and automatically captures the fingerprint image. Onboard electronics calibrate the device and encrypt the image data before sending it over the USB interface. Digital Persona. Products utilize optical fingerprint scanning technology for superior image quality and
Product reliability. The 4000 Sensor and Digital Persona recognition software have an unmatched ability to recognize even the most difficult fingerprints.

Technical Specification:
Supply Voltage: 5.0V +/-25V supplied by USB
Supply Current-scanning: 170 mA (type. )
Supply Current-idle mode: 120 mA (type. )
Supply Current -suspend mode: 2 mA (max. )
ESD Susceptibility: >15 KV
Image data: 8-bit grayscale
Temperature, Operating: 5C- 35C
Humidity, Operating: 20% - 80% non-condensing
Temperature, Storage: -10C- 60C
Humidity, Storage: 20% - 90% non-condensing
Standards Compliance: FCC Class B, CE, VCCI
Applications for desktop PC Security, mobile PCS, Custom applications, home and Office Use.