Parameters Frequency: customized 125KHz/250KHz/375KHz/500KHz Read distance: 2~ 10cm, depending on the Reader and the application environment Wipe the number: >100,000 mga oras Pagtipig: 10 tuig Working temperatura: -20℃~+80℃ Packaging materials: ABS Size: 43× 30 × 5mm o 50 × 30 × 5mm, can be customized Colors: pula nga, berde nga, azul, dalag nga, puti nga, etc.