... alarmSystemSystem requirementMicrosoft Win98 SE/ME/2000/XP/Vista, Internet Explorer 5.0, NET4.5 or aboveFeaturesSecurity ... : administrator authority, user authorityDDNS(free)Free DDNS bounded i.eCenter management software(free)cell phone visit,message alarm ... preservation, capture, log Querydesktop center detection management software(free)alarm reminder, pan video, plan video,64 photos ...