Size:1.30*8.5mm,1.35*8.5mm,1.40*8.5mm,2*12mm,3*15mm Material:Bioglass Chip:EM4305/NFC213/216 Frequency:134.2Khz/13.56Mhz Protocol:ISO11784/785/14443A Memory size:168/512/888 bytes Reading distance:2.5cm - 10cm (Depend on devices) Working temperature:-20C - 80 C Using times:>100,000 times Date retention:>10 years Show More