Dynamic reflect: updated randomly every 60s (customized to update every 20s or every 30s);

Feel: The sunburn design of the shell feels very good;

Appearance: border can be black or white;

Performance: Products waterproof,cold-proof,shock-proof and high-temperature resistance;

Tamper design: The product has anti-stripping design, the program through the software lock makes it unreadable, cannot change;

Token code: Each token has a nine-digit bar code behind it, and each bar code is unique;