Dimension (mm)

58 × 19 × 9
(ROCKEY2, D1 Casing)

50 × 17 × 7
(ROCKEY4ND, A1+ Casing)

Interface Type

USB type A

Interface Standard

Standard USB 1.1 interface, compatible with USB 2.0

Processor

8-bits CPU chip

Memory Space

2,560 bytes
(ROCKEY2)

1,260 bytes
(ROCKEY4ND)

Encryption Method

Shell encryption, programming API

Weight (g)

10.8 (ROCKEY2)

6 (ROCKEY4ND)

Material

PVC (ROCKEY2)

PC (ROCKEY4ND)

Operating Temperature (°C)

0 ~ 70

Storage Temperature (°C)

-10 ~ 80

Humidity (%)

20 ~ 80

Cascade Levels

Up to 16

Power Supply

USB Port

Working Power (mW)

Max. 250

Working Voltage (V)

5

Working Current (mA)

Max. 50

Data Retention Period

At least 10 years

Read / Write Times

At least 100,000 times

Certification

CE, FCC

Software Environment

ASM, ASP/PHP, Delphi, Power Builder, Python, Fortran, Java, RealBasic,Oracle, SQL2000, FoxPro, VB, VBA, VC, C# and VB.NET etc.

OS Platform

Windows 2000 / XP / 2003 / Vista / 7 / 8 / 10 (32bits & 64bits), WinCE (x86), Linux and macOS etc.