These cameras are commonly used outdoors and have fixed lenses and in some models are variable or varifocal lenses. Bolt cameras can be used in any environment and weather conditions due to their metal coverage. Depending on the environment, when buying these cameras, you should pay attention to the focal length of the lens. the higher the focal length of the lens, the lower the angle of view, and the greater the distance, or the smaller the focal length, the greater the angle and the shorter the distance.

Box cameras have medium to high image quality. These camera samples are generally lens-free, and depending on the environment and application of this camera, the appropriate lens should be selected for it. These cameras are usually used indoors and can be used outdoors by placing them on a metal cover if they need to be installed outdoors. It should be noted that these cameras do not have a night vision mechanism, and if necessary, we can use separate infrared LEDs for night vision lighting.

PTZ or speed dome cameras are cameras that can be remotely controlled, and depending on the motor in the chamber of these cameras, there is the ability to rotate and zoom remotely, and the focus of these cameras is automatic and adjusted after zoom and rotating.