AVTRON CAMERAS SUPPORTS TO HD-TVI AND HD-CVI HD DVR?

Yes, Avtron HD Cameras supports HD-TVI(Hikvision), HD-CVI(Dahua), HD-AHD(Samsung,Uniview) or any other brands HD-TVI and HD-CVI DVR. Cameras have options, just have to switch video signal from HD-AHD or HD-TVI or HD-CVI.