pwosesis Custom: Yes Contact IC Chip Type: Kontakte CPU Chip, SLE4442, SLE5542, SLE4428, SLE5528 and Compatible Chips Card specification: standard card 85.5×54×0.80mm Small card size: 25×15mm Reading and writing time: 1-2MS Data Storage: > 10 years Storage capacity: 1024bits Working temperature: -25℃~+85℃ Erasing life: > 100000 times Materials: PVC, PET, PETG, ABS