... channels playback simultaneously DVR,HVR,NVR,3 in1 XM Cloud Technology DVR 1ch HD SDI CCTV DVR 8ch D1, 1080P ... Powerful network software:built-in web server,multi-DVR client &SMS Networking access for remote live viewing ... detection,items care, flowmeter, abnormal video signal diagnosis17. DVR,NVR and HVR, 3 in 1.18. Support ... client software CMS XM Cloud Technology DVR 1ch HD SDI CCTV DVR 8ch D1, 1080P