Specification: Product Description: 1.windows logon : can prevent your computer from being used others user have to verify the fingerprint 2.l.screen saver lock :only authorized person can unlock the screen saver by virifying his/her fingerprint 3.file security: your encrypted files can only be accessed by fingerprint 4.folder security : encrypted folers enable fingerprint security to all files with in a foled 5, Hot .Plug and play for Flash Disk 6.Possession of Sensor Development Technology+Algorithm 7.Sweep sensor :LTT ss500 is scratch resistant for more than 1 million wear cycles 8. The first Silicon FPS withstands 20KV ESD in the world 9. 10 different fingerprint can be registed at the same time. 10.The type of encryption software is ASE ; 256 bits of data encryption on both device Specification Hardware Pentium III OR Hiiger PC, Notebook or Macintosh with USB port Operating System Windows98/SE、WindowsMe/2000/XP , Drivers Only Windows 98/me needs the driver Capacity 128MB/~4GB Sensor scan area 2*11mm USB Host Interface USB 2.0 Image level 256 gray levels Image resolution 508 dpi Data Retention Over 10 years Frame rate max 300 frames /sec max 300 frames /sec Reading Speed 28MB/S Writing Speed 23MB/S Temp. -20℃~+60℃ Humidity 0%~85% Dimension (L*W*H) 80mm*30mm*10mm