1.4.3inch touch screen 2.Face capacity:400 3.fingerprint capacity:2000 4.COMM:TCP/IP,RS232/485,USB ... :4002,Comm Port: TCP/IP,RS232/485, U flash.3.Verification mode:Face,Fingerprint,password,card(optional)4.Display:4.3inch TFT ... power-failure.Detailed Features:Identification methods include Face, Fingerprint/RFID and/or PasswordElegant ergonomic design4.3’’ TFT touch screen is user-friendly ...