How to ensure the credibility of recordings, How to show watermark in videos – KGUARD Security BRseriesDVR(2) User Manual

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How to ensure the credibility of recordings, How to show watermark in videos | KGUARD Security BRseriesDVR(2) User Manual | Page 13 / 20 How to ensure the credibility of recordings, How to show watermark in videos | KGUARD Security BRseriesDVR(2) User Manual | Page 13 / 20
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