The 'admin' user has all the operation rights, while the 'viewer' user has no rights to modify any settings but view the videos only.
When login Milesight VMS Lite, there are two default user names 'admin' and 'viewer'. Designed to work on Windows XP/7/Vista/Server 2000/Server 2008. It's able to integrate with other devices through ONVIF and you can connect up to 64 cameras. Milesight VMS Lite is free and very easy to use, intuitive, with easy access to the most common activities, such as viewing live video, searching through recordings and exporting videos and snapshots.
Milesight VMS Lite(ONVIF compatible) is a free video management system designed to work with IP cameras in order to provide video monitoring, recording settings and event management functions.