... remote record and playback , Skype message alarm, skype telephone alarmSuperioritySupport multi-channel monitor via cellphone or computer,certified ... interfaceRJ-45 10/100M self-adaptable Ethernet slotProtocolTCP/IP,HTTP,ICMP,DHCP,FTP,SMTP,PPPoE etc.Online ... 4 visitors at the same timeIP modeDynamic IP address, static IP addressOthersShapeCeiling-mounted, indoor usePowerDC5V 2ATemperature-10~50 ...