... secondWireless CommunicationGPRS/CDMA/WIFIAlarm clockEmbedded alarm clockExternal functionsConnect Electronic lock(Access Control), Electronic bellCommunicationsRS232 or RS485, TCP/IP, USB and Weigand output ... & Attendance modeFingerprint, password, card, fingerprint + password, fingerprint + cardSave functionTurn off device automatically for savingSize178*128*55mmPower supplyDC9V, 1A (AC 100V to ...