Surveillance camera is a kind of semiconductor imaging device, which has the advantages of high sensitivity, strong light resistance, small distortion, small size, long life, anti-vibration and so on. Surveillance camera security system.
The image generation is currently mainly from CCD cameras, and the stored charge can also be taken out to change the voltage. It has the characteristics of anti-vibration and impact and is widely used.
How to choose the appearance of the camera?
This mainly depends on our installation location. This is very clear and very sure. If we want to install the camera on the wall, generally we choose a gun-type camera. If it is installed on the ceiling, a dome camera is generally selected. If it is an outdoor environment, we must pay attention to the camera’s need to be waterproof and dustproof, and pay attention to the IP protection level of the camera. Generally, an IP65 camera can meet the requirements of outdoor waterproof and dustproof. In addition, with a suitable mounting bracket, the bolt camera can also be installed on the ceiling, and the dome camera can also be fixed on the wall. I won’t expand on it here. In some large outdoor surveillance scenes, we can choose a camera with PTZ function, which can rotate 360 degrees. The same goes for indoors. For example, we can put a small pan-tilt camera on the corner table, and turn the pan-tilt to see the whole room clearly when accessing remotely through a mobile phone.