... securitySupports there-level account, password, user authority managementDDNS(free)Free DDNS bounded i.e., no need dyndns,like http ... forwad, save bandwidth, cell phone video monitormutile software(free)1,4,9,16,25,36, 64-channel mutile ... SystemSystem requirementMicrosoft Win98 SE/ME/2000/XP, Vista,win7, Internet Explorer 5.0, NET4.5 or firefox,google browser CertificationCertificateISO ...