How much storage space does the HD surveillance camera need to store a month's video?

3 megapixels: A camera has 5.5g storage space per hour. 2 million pixels: 4.4g1million pixels: 2.2g 1080p is 1.8g. 720 p is 0.9g

It directly affects the imaging effect of the camera. There are domestic Sony, original Sony, Sharp, NVP, Hitachi and so on. When choosing a camera, try to choose the original Sony chip.

Sony 420 lines commonly used in the market are 3 142+405, 3 142+633 480 line 3 172+633, 520 line 3 172+639, 600 line NVP2040+639.

Extended data:

Divided by imaging color:

(1) color camera: It is suitable for distinguishing the details of a scene, such as clothes or the color of the scene. Because of the color, the amount of information increases, which is generally considered to be 10 times that of black and white cameras.

(2) Black-and-white camera: suitable for areas with insufficient light and areas where lighting equipment cannot be installed at night. When only the position or motion of the scene is monitored, a black-and-white camera with a resolution usually higher than that of a color camera can be selected.

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