1.No need to install software, support multi-channel monitor &management& message alarm setting 2.Embedded Linux OS FeaturesSystem securitySupports three-level account, password, user multi-level authority managementDDNS(free)Built in free DDNS system,like http://demo.easyn.hk,'demo' is serial codeCellphone platform(free)No need to install software, support multi-channel monitor &management& ...