Each card has a unique 32-bit serial number and independent password and access control. Users can set different password with software, one card for appointed conference. Data can be preserved up to 10 years and a card can be rewritten up to 100 thousand times with unlimited reading times.
Dimensions: 85.6x53.98x0.8 (LxWxD)
Operating temperature: -20℃ to 85℃