Certification:ISO9001, CE, FCC, RoHS Technology:ISO14443A/B, Mifare, DesFire EV1, Mifare Plus, ISO15693,ISO7816 Interface:RS232, USB Dimension:116*67*14mm Power:5V DC ( 5%), Power supplied from USB Indication:Controllable two-color LED, one buzzer Operating System:Win CE, Windows and Linux Development:Robust API library and DLL Show More