Facebook recommends your image be 1640 pixels by 720 pixels. Using our formula, that means we only need a camera that has 1.2 MP in order to be of sufficient quality (1670 x 720 = 1 202 400 pixels. 1 202 400/1 000 000 = 1.2 MP). This makes a smartphone perfectly capable of producing photos to use online.
For HD footage, the average data consumption rate is 1 to 2 MB per minute. N.B. 1,000 MB = 1 GB. For example, this means that: If the camera is operating on a continuous basis for 24 hours, it will consume between 1.5 and 3 GB; If it is operating 24/7, a minimum of 45-90 GB per month will be required.
SANSCO 1080P 2MP HD CCTV Security Camera for Home Surveillance Camera System, 1920x 1080 Pixels, IR Cut Day Night Vision, 3.6mm Lens, Weather and Vandal Proof Casing, Indoor&Outdoor Use, Black 4.2 out of 5 stars 63 2MP (1080p) Full HD Security Cameras: These cameras produce images with a resolution of 1,920 x 2,160 pixels per unit. They serve as appropriate general-purpose video surveillance, but they typically fail to figure out small details depending on the quality and distance. It is recommended to choose a 1080p security camera when:
D11-21, Tiangong International Security Electronic Building, Niulanqian, Minzhi Avenue, Longhua District, Shenzhen China. P.C. 518131 Info@esyncctv.com
Let's say you have a DVR (Digital Video Recorder) with 1 or 2 TB hard drive for video storage, guess what you are good to go. It doesn't matter if it's a 4, 8 or 16 channel DVR, you can adjust the configuration and record videos for about 7 to 30 days or even longer period of time. But 30 is a good number.
This comprehensive video compares the image quality and performance of CCTV security cameras across different resolutions: 2MP, 5MP, and 8MP (4K). If you're

Case: Check the bitstream of a single camera according to the brand of your IP camera and then estimate how many cameras can be connected to a switch. For 1.3 million: The bitstream per 960p camera usually is 4M. If a 100M switch is used, then 15 cameras can be connected (15×4=60M); With a Gigabit switch, you can connect 150 sets (150×4=600M)

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    • is 2mp cctv good enough