Which category does Amazon Monitor Camera belong to?

Amazon surveillance cameras belong to the security electronics category.

Surveillance cameras belong to the category of security and electronic products.

The surveillance camera is a semiconductor imaging device with the advantages of high sensitivity, resistance to strong light, small distortion, small size, long life, and resistance to vibration. Surveillance camera security system.

Image generation currently mainly comes from CCD cameras. The stored charge can also be taken out to change the voltage. It has the characteristics of resistance to vibration and impact and is widely used. On December 1, 2017, the "English Translation and Writing Standards in the Public Security Service Field" was officially implemented, stipulating that the standard English name of surveillance cameras is: Surveillance Camera.

Surveillance cameras are security products. The manufacturer must have a security product production license. Sales and installation must be registered with the local public security technical defense office. Engineering installation companies are required to have a technical defense installation grade certificate. At the local municipal level and provincial level.

Surveillance camera lens

Focal length: The focal length of a surveillance camera refers to the distance between the lens and the photosensitive element. The magnification of a lens is approximately equal to the ratio of focal length to object distance. In other words, as the focal length of the surveillance camera increases, the magnification increases, the close-up view can be zoomed out, and the distant view details become clearer, and vice versa.