... Anti-destroyed & Waterproof, anti-corrode, fit for every environment,Long lifetime: >20 years. commodity:RFID tag for guard tour system1, It is plastic ... then related to a check point . 2, Anti-destroyed & Waterproof, anti-corrode, fit for every environment3, Non-contact EM-ID ... : >20 years, can read >350,000 times5, High sensitive and Long inductive distance 6, Wide temperature scope: -40+707, Not ...