Storage capacity: 2048 bit/256bit, 32 bit unique ID serial number Operating Frequency: 125KHz/134.2KHz Communication protocol: ISO 11784/ISO11785 Read range: 2.5~10cm Read time: 1~2ms Working temperature: -20℃~+55℃ Endurance: 100,000 times Data retention: >10 years Size: 85.6x54x0.80mm Packaging materials: PVC/ABS/PET/PETG/Paper