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What Makes the 3.5-8mm Vari-Focal Lens Essential for Box CCTV Cameras

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A vari-focal lens, like the 3.5-8mm range, allows adjustable focal lengths for flexible field-of-view customization. Unlike fixed lenses, it enables users to zoom in/out and focus manually to optimize coverage for specific surveillance needs, such as monitoring wide areas or …

What Makes an HD CCTV 8 Channel DVR System Essential for Security?

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An HD CCTV 8 Channel DVR System provides high-definition surveillance across 8 cameras, enabling comprehensive property monitoring. It combines digital video recording, remote access, and motion detection to deter theft, document incidents, and simplify security management. Ideal for homes and …