... , password, user multi-level authority management DDNS (free)Built in free DDNS system, like http://demo.easyn.hk, 'demo' ... address, Static IP address, PPPOE P/TP/T controlBuilt-in RS485 P/T control P/T protocolPELCO-D protocol ... ) AttachmentAdaptor, Disc (including introduction), Manual, bracket AlarmAlarm detectionBuilt-in motion detection, threshold can be set Alarm actionSupport Email,SMS alarm ...