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9 channel power distribution box

It's undeniable that power supply is crucial important to your video security cameras. For ensuring the stability and reliability of your video surveillance system, installers and users should choose high quality power supply. Poor quality powe...

Resolution VGA vs 720p vs 1080p vs 5MP vs 4K UHD

We are glad to write the addition of a new frequency asked question article, this time giving a little clarity to what difference between TVL and megapixel, how TVL measurements compare to pixel meassurements in PAL, NTSC and IP CCTV systems.

Superman AHD 720P/1080P

Decide to upgrade your old conventional analog video surveillance system? or plan to buy and install a new "High Definition" analog surveillance system? Well, you may feel headache in front of different HD-over-coaxial technologies including A...

960H/720p/1080p AHD DVR

AHD products are very popular in today's analog video surveillance market. AHD cameras and DVRs can support 720p and 1080p high definition video monitoring and recording, it's a choice when you want to either upgrade existing conventional analo...

16CH 960H DVR

Thanks to the rapid development of cloud technology. Nowadays, most of digital video recorders can utilize cloud connection to send push notification to users. Some users maybe not familiar with this new feature. In this article, we are pleased...