... .56MHz + Fingerprint (option); 125KHz+ Fingerprint (option) RFID Standard ISO14443A 4(part 1-4), Mifare, Mifare Plus and DesFire EV1, ISO14443B, Felica; EM ... In (Wg26-58) + 1 Wiegand Out(Wg26-58) GPIO port 4 input, 4 output Relay output 3 relay outputs SD card One Secure ... Digital card slotBattery Build-in Li-ON battery , 4.2V/ 2200mAH (option)Temper Proof Yes Operating temperature -0 C ...