... RTOS, realize industrial grade MTBF2.D1 High Definition network video server, compatible to Half-D1, CIF and QCIF3.Use ... and Four-channel Models)7.Support PAL/NTSC composite video 8.Built-in Web Sever to realize remote surveillance, control ... output, RAC interfaceTitle Overlaid Supports channel name, date, and video stream information overlaid; Adjustable overlaid placeSD Card Interface Support ...