... image quality and verification result etc. 8 function keys are the shortcuts to change the attendance status, work-code ... manual data transfer when network isn't available.Optional integrated Wi-Fi\ GPRS also available..Relay contacts for alarm, lock. ... signalInput & OutputOptional FunctionsMifare/HID/iClass,9 digit user ID, Wi-Fi, GPRS, Printer, SOAPDisplay8 inches TFT ScreenPower Supply12V DC 1. ...