Interface USB: 1.0/2.0 full speed Cryptographic Algorithms: DES/3DES Flash Memory: U disk+flash (128/256M)/ COS chip (8-16K) Standard: T=0 Security features: support PIN verification, external authentication, internal authentication Plug times: 20000 fwa (depending on the reliability of the USB physical structure) Status indicates: double color LED, instructions power or communication status, user control buzzer Operating Temperature: -20℃～+60℃ Dimension: 60(L)x 18(W)x 8(H) …