1、Made of high quality PVC material for durability and reliability. 2、Support for ISO standard size. 3、Provided for many popular memory cards including: TK4100 and EM4100 memory cards. 4、Provide to online bank transaction, online shopping, credit card. 5、Support banks, post office, chip cards issued all over the country. Features: Made of high quality PVC material for durability and reliability. Support for ISO standard size.Operating temperature is -40 ° C to 85 ° C, it does not affect normal use under normal conditions. Provided for many popular memory cards including: TK4100 and  EM4100 memory cards. Provide to online bank transaction, online shopping, credit card. Support banks, post office, chip cards issued all over the country. Specifications: Condition: Brand New Color: Pure White Optional Card: White Card, Thick Card ISO Standard Size: 86 * 54 * 8 mm/3.4 * 2.1 * 0.3 in Chip Style: TK4100 / EM4100 Frequency: 125KHZ Reading Range: 0~5 cm (Depending on Your Readers) Operating Temperature: -40 ° C to 85 ° C Read and Write: Cannot be Rewritten, Read Only. Memory: 64 Bit Erase Numbers: > 100,000 Times Storage: 10 Years Package List: 10 * ID Card Reader Note: Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.