Parameters Frequency: customized 125KHz/250KHz/375KHz/500KHz Read distance: 2~ 10cm, depending on the Reader and the application environment Wipe the number: >100,000 Mol Spëntchen: 10 Joer Schaffen Temperatur: -20℃~+80℃ Packaging materials: ABS Gréisst: 43× 30 × 5mm oder 50 × 30 × 5mm, can be customized Colors: rout, gréng, blo, giel, wäiss, etc.