The night vision camera is a device used for viewing the surrounding area at night. This camera can be also used for capturing and storing the images. Working of a night vision camera is simple. This is mainly due to the infrared radiation emitted from the IR sensors from the camera.
The IR radiations are sensitive to heat and they detect the heat bodies within the region and these heat bodies along with the minute variations in heat changes, is recorded in these cameras. The image obtained from these cameras are only of few prescribed colors. With this image, one can determine the criminals or the problem within the area. The night vision camera is used as a security camera, in mobile phones, in hunting etc.