Parameters Frequency: customized 125KHz/250KHz/375KHz/500KHz Read distance: 2~ 10sm, depending on the Reader and the application environment Wipe the number: >100,000 times Storage: 10 years Working temperature: -20℃ ~+80 ℃ Ferpakkingsmateriaal: ABS Size: 43× 30 × 5 mm of 50 × 30 × 5 mm, can be customized Colors: read, UV Printing Effect Card, blau, giel, wyt, ensfh.