Pinati: EM4102, TK4100, TK4101 COB Frequency: 125KHz Work mode: Read-only Induction distance: 8~20cm Internal serial code: 5 bytes Wipe: >100,000 taimi tauhiʻanga ʻo e fakamatala: 10 years Material: ʻAPIKALE s, PVC Size: 85.5x54mm Thickness: Thick ID card: 1.8mm Standard thin card 0.88mm Non-standard size thin card: 1.05mm or other specified thickness Working temperature: -20° C ~ + 80 ° c (-4℉~+176℉)