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KERUI Alarm System Review

Security systems to protect homes and offices. The model number for this system is KR-H01. It has 110V-220V AC power, 433MHz operating frequency, 100 meters as normal working distance, it operates with the siren input voltage,...

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How to Connect a CCTV DVR to the Internet or wireless...

How to connect a CCTV DVR to a wireless router or access point. This is the problem that we're solving in...

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