Up to 4 megapixel (2688 × 1520) resolution, real-time output  Standard video compression with high compression ratio, ROI (region of interest) encoding  Progressive scan CMOS, capture motion video without incised margin  Support dual stream, and the sub-stream for mobile surveillance  Built-in Micro SD/SDHC/SDXC card slot, up to 64 GB  IR cut filter with auto switch  PoE (Power over Ethernet)  3D DNR & DWDR  Backlight compensation, electronic shutter for different surveillance environments  Other functions: reset, heartbeat, mirror, PTZ control, IP address filtering, etc  Support intrusion detection and line crossing detection  Support VCA, which is compatible with NVR for the second time of video searching and analysing

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