DHI-DSS4004-S2

One video intercom device license for DSS Express V8, no prerequisite, supported video intercom device includes VTO, VTH, VTS, etc.

"DSS Professional V8 access control channel base package includes 16 door licenses and is a prerequisite for access control channel expansion. Note: For access control devices with video channels, the video channel license is required."

">Linux OS, an economical surveillance system >Simple deployment, one-key upgrade >Safe and stable, highly reliable >Max support 256 video channels >Support 10 online users and 50 total users. >Support 350M transfer capability >Support 150M local storage capability"