Features : 1. Effectively detect fingerprints with scar, cut, swelling and fingers that are dry or wet. 2. Firmware automatically ignores residual finerprints. 3. Scratch resistant sensor with standing ESD 20KV. 4. Effective fingerprint recognition technolgoy by a combination of 1:1 and 1:N matching mechanism. low power consumption. 5. No installation of driver is required ( except windows98 ) 6." Real-time" encryption of the entire hard sisk (incliding boot sector and operating system ) at 1.6bit/sec using TDES algorithms, Encryption key lengths vary from 40-bit to 192bit. 7. Compatible with Ultra ATA 66/100/133. Tim Zhong +8613246675105 Mail or MSN ID :