>Support HDCVI/Analog/IP Video input
>H.264 dual-stream video compression
>HCVR4224/4232AN-S2: All channel 720P recording
>8 channel synchronous realtime playback, GRID interface & smart search
>HDMI/VGA/TV simultaneous video output
>Support 2 SATA HDDs up to 12TB, 2 USB2.0
>ONVIF Version 2.4 conformance
>Support Multi-brand network cameras: Dahua, Arecont Vision, AXIS, Bosch, Brickcom, Canon, CP Plus, Dynacolor, Honeywell, Panasonic, Pelco, Samsung, Sanyo, Sony, Videosec, Vivotek and etc. 
>3D intelligent positioning with Dahua PTZ dome camera
>Multiple network monitoring: Web viewer, CMS(DSS/Smart PSS)&Smart Phone(DMSS)

Products specifications
Video Compression H.264 Dual-Stream