... pixels FeaturesSystem securitySupports there-level account, password, user multi-level authority managementDDNS (free)Built in free DDNS system ... client (free)No need to install software, IE monitor &managementSuper-Client (free)1,4,9,16,25, ... and playback, skype message alarm, skype telephone alarmSuperioritySupport multi-channel monitor via cellphone or computer, certified by Microsoft activeX, ...