1. 13.56 MHz, 110 x 80 x 25 mm 2 .USB 2.0 interface, plug and play 3. Support IEC 14443 A ... / B, ICODE 23. ElectricalPower sourceFrom USB, 5V/ 100 mAInterfaceUSB 2.0, 12 MbpsSupply currentmax :200 mAstandby :50 mAnormal :100 mABi-Color LEDRed ... , CPU cardExpended features IEC14443 Type BSR176, SRIX4K, AT88RF020...IEC15693ICODE SLi 2, Tag-it 256, Tag-it 2048... 5. Certification CE, FCC ...