Feature: 512, 1 bit EEPROM, divided into 16 sectors, each sector 32bit 2, UID 32bit (unique identification code) 3, compatible with ISO11784/11785 protocol 32, 4 password read and write protection 5, can make the EEPROM sector into a read-only lock state 2, 6 encoding mode (Manchester, Bi-phase) 7, a variety of data transmission rate (8, 16, 32, 64 RF clock) 8, has the characteristics of reading card first inquiries 9, the frequency range is 100 ~ 150KHZ 10, temperature range: -45 ~ 85 Technical parameters: Material: ABS Size: according to graphics Color: Red, Yellow, Blue( send randomly) Note: Size for manual measurement, there may be a 0 to 2 cm error, belongs to the normal phenomenon. And due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 PC X Proximity card .