20pcs SLE4442 Chip Contact IC Smart PVC Cards W/ Black HiCo Magnetic Strip Cards

256x8bit EEPROM.
32×1 bit Protection Memory.
3 byte user password.
Temperature range: 0 – 70c
10,000 cycle read/write endurance.
Data retention: > 10 years
The minimum write / erase time: 2.5ms