... Anti-destroyed & Waterproof, anti-corrode, High sensitive and Long inductive distance,Long lifetime: >20 years. Item:RFID tag for patrol reader1 ... Waterproof, anti-corrode, fit for every environment3, Non-contact EM-ID card 4, Long lifetime: >20 years, can read >350,000 times5 ... , High sensitive and Long inductive distance 6, Wide temperature scope: -40+707, Not need ...