Parameters Frequency: customized 125KHz/250KHz/375KHz/500KHz Read distance: 2~ 10cm, depending on the Reader and the application environment Wipe the number: >100,000 mara Storage: 10 Miaka Kazi joto: -20℃~+80℃ Nyenzo za ufungashaji: ABS Size: 43× 30 × 5mm au 50 × 30 × 5mm, can be customized Colors: nyekundu, kijani, bluu, njano, nyeupe, na kadhalika.