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: এবিএস আকার: 43× 30 × 5 mm বা 50 × 30 × 5mm, can be customized Colors: লাল, সবুজ, নীল, হলুদ, সাদা, ইত্যাদি.