General specifications
* Dimension : 58.5 x 36 x 10 mm.
* Weight :22 gram.
* LCD pannel with 8 digital & 7 indicators.
* One power on button & 3 numberic buttons.
* Replaceable CR-2025 battery, the lifetime of each token is unlimited.
* Infrared I/O device.
* Embedded AES encryption algorithm to ensure the high security.
* Provide Operational PIN for each token, user can modify it by self.