Surveillance Camera Classification

According to different classification standards, there are different classifications, as follows:

1. According to different transmission signals, it can be divided into analog cameras and digital cameras;

2. According to different screen resolutions, it can be divided into SD cameras and HD cameras;

3. According to the shape of the camera, it can be divided into a dome camera, a hemispherical camera, and a bullet camera;

4. According to different installation environments, it can be divided into indoor cameras and outdoor cameras;

5. According to different sensors, it can be divided into CCD camera and COMS camera.

The difference between SD and HD

1. The physical resolution is different
SD: SD is a video format with a physical resolution below 720P.
HD: HD is a video format with a physical resolution of 720p and 1080p.

2. The image quality is different
Standard definition: The picture definition and color reproduction of standard definition video are lower than that of high definition video, and the image quality is poor.
HD: HD video has higher picture definition and color reproduction than SD video, and the image quality is better.