1. According to the working principle of the camera
It is divided into digital camera and analog camera. The digital camera transmits the compressed digital video signal through twisted pair, and the analog camera transmits the analog signal through coaxial cable. The difference between digital camera and analog camera is that in addition to the transmission mode, there is definition. The pixels of digital camera can reach millions of HD effects.
2. According to the appearance
of the camera
It can be divided into gun machine, hemisphere, ball machine, etc. Guns are mostly used outdoors and have high requirements for waterproof and dustproof grade; Hemispheres are mostly used indoors. Generally, the lens is small and the visual range is wide; The main functions of the ball machine can be monitored 360 degrees without dead angle.
3. According
to the camera function
It is divided into wide dynamic, strong light suppression, special for road monitoring, infrared camera, all-in-one machine, etc. Select the appropriate surveillance camera according to the specific needs of the installation environment.
4. According to the special environment application
of the camera
The surveillance camera can also be divided into pinhole camera, camera pen, smoke camera, etc. It is mainly suitable for image acquisition in special environment.
