Parameters Frequency: customized 125KHz/250KHz/375KHz/500KHz Read distance: 2~10cm, depending on the Reader and the application environment Wipe the number: >100,000 times Storage: 10 years Working temperature: -20℃~+80℃ Packaging materials: ABS Size: 43×30 × 5mm poʻo le 50 × 30 × 5mm, can be customized Colors: lanu mumu, lanu meamata, lanu moaga, lanu samasama, lanu pa'epa'e, ma isi. Fa'aaliga: E mana'omia le Javascript mo lenei anotusi.