Maybe the entry way, but that’s it. 1080p (2MP) is probably sufficient for your needs. The higher the resolution, the more storage space they take. The focal length depends on what you are looking at (that’s the 2.8mm, 8mm, 16mm you’re referring to). The lower the number, the wider the shot. It’s highly doubtful you will need a 16mm camera. Should I choose 6mp or 8mp? The choice here is whether you should choose a clearer resolution or a slightly less clearer resolution. 6MP = 3072 x 2048. 8MP = 3840 x 2160. The higher the resolution, the clearer the image and thus potentially more useful to identify unsavoury activities. With better compression technology these days, the impact Editor's Note: Be careful about surveillance cameras that cost $50 or $30 or less. #9. Check the Power Supply of the CCTV Security Camera. If you get "rolling lines" – horizontal lines across your screen that will normally move from bottom to top, or vertical lines that move from one side of the screen to the other side – this can often be caused by a ground loop problem of the power Lower cost: Simple technology means analog security cameras cost less than similar IP security cameras. Though analog cameras require less programming, they need more cabling for both the power supply and the DVR. As well, they have a maximum resolution, which impacts zooming. Analog also has limited throughput. And don't even try taking photos in low light with the 3X zoom. All that being said, I still think the main camera is more than good enough for a $300 phone. The secondary cameras aren't super exciting. You get a pair of 2MP cameras in the lower camera protrusion for depth and macro. I don't find these particularly useful. LedS.

is 2mp cctv good enough