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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