It filters out objects that are not targets, such as small and large animals,to avoid triggering false alarms. Electronic (EIS). (illuminator + red and blue warning light + speaker + PTZ working). 4K (3840 × 2160); 4M (2560 × 1440); 3M (2304 × 1296); 3M (2048 × 1536); 1080p (1920 × 1080); 960p (1920 × 960); 720p (1280 × 720); D1 (704 × 576/704 × 480); VGA (640 × 480); CIF (352 × 288/352 × 240).
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