· Product Features
1. Each card has a unique serial number, which is 64 bits.
2. There is an independent set of passwords and access control, and different passwords can be set in the software, so that one card can only be used in a designated meeting
3. Working temperature: -20℃～50℃
4. The data storage period is 10 years, and it can be rewritten 100,000 times and read unlimited times.
5. Size: 85.6X54X0.8mm
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