The product description:
URU4500 fingerprint is the latest instrument is more compact a fingerprint device, surface of the hard steel material, appearance is extremely elegant, the output images up to 700dpi, is a superior performance compared to the fingerprint input device, you can a wide range of applications in social security, public security, attendance, fingerprint encryption, embedded, and many other applications.
URU4500 miniature fingerprint scanner that automatically reads the fingerprint image, and through USB interface to transfer digital fingerprint images to the computer requires authentication for notebook computers, desktop computer or other personal computing devices, it is the ideal accessory.

Features:
. Small size                                                                         . Excellent image quality
. Encrypted image data                                                    . Refused to subtle fingerprints
. Refused to fake the image                                            . Support the fingerprint rotation
. Rough fingerprint processing
. Support dry, wet, or rough fingerprints 
. Compatible with all U.are.U applications and development tools to support Biokey Development Tools
.Support JAVA development tools
. Driver support Windows98, Me, NT4.0, 2000, XP, Vista, Windows Sever 2000,2003,2008

The environment parameters:
. Supply voltage: 5.0V + /-0.25V USB offers
. Intake fingerprint: 190mA (typical)
. Idle: 140mA (typical) .
Hangs: 1.5mA (max)
. Anti-static:> 15 KV
. Operating temperature: 0  -40
. Operating Humidity: 20% -80%
. Picture image:8-bit grayscale image data
. Standard: FCC Class B, CE, ICES, BSMI, MIC, USB, WHQL, VCCI
 
Specifications:
. Pixel resolution: 700DPI
. Image crawl area: 14.6mm (center standard width); 18.1mm (standard length)
. 8-bit grayscale
. Product Size: about 65mm * 36mm * 15mm
.compatible with USB1.0, 1.1,2.0