System requirement:Microsoft Win98 SE/ME/2000/XP, Vista, Internet Explorer 5.0, NET4.5 or above
account, password, user authority management
CMS(free):1,4,9,16,25,36, 64-channel CMS, no user limited professional CMS, centralized monitor, remote record and playback , Skype message alarm, skype telephone alarm
IE super-client(free):No need to install software, IE monitor management, message alarm setting, management, save alarm pictures