Model NO.: M100A RFID Frequency: 13.56MHz in Read/Write Mode, ISO 18092 Nfc Support: Mifare, Mifare Plus, Desfire EV1 Cardholder: 512 Users, 1000 Event Reocrds Power: 9V DC (9-24V), <150mA Indication: 2 LED and 1 Buzzer (Fully Control)