I-chip: EM4102, TK4100, TK4101 COB Frequency: 125KHz Work mode: Read-only Induction distance: 8~20cm Internal serial code: 5 bytes Wipe: >100,000 times Data storage: 10 years Material: I-ABS, PVC Size: 85.5x54mm Thickness: Ikhadi le-ID elibanzi: 1.8Ikhadi elijwayelekile elijwayelekile le-MM 0.88mm usayizi ongelona ojwayelekile: 1.05mm or other specified thickness Working temperature: -20℃ ~ + 80 ℃ (-4℉~+176℉) Qaphela: I-JavaScript iyadingeka kulokhu okuqukethwe.