For inside cameras, the dome style is a useful type that is mounted on the ceiling, allowing a 360-degree surveillance. The best infrared cameras have 0. If you want to feel safe and secure, one can't go wrong with an infrared security camera. Infrared cameras can be used inside or outside.0 lux because it can see perfectly in complete darkness. Depending on the size of your property, you can select which type of camera is useful for you. Infrared cameras give you a clear and colored picture when light is available. Night cameras still need a light source though, like a street light or a security light, and will be unable to record videos when light is unavailable. Some cameras can be of short range, while some are long range enough to see up to 150 feet in utter darkness. Infrared can travel fast through fog, smoke and dust, and even capable of traveling through some materials. 'Infrared' literally means 'below red', and our eyes are only designed to 'see' the colors of the spectrum, from red to violet. That is why they are useless as video cameras. Its wavelength is too long and the frequency too low to be seen by the naked eye. Aside from their ability at night vision, you have to see how far your camera can see in complete darkness. Infrared light is something we cannot see with our own eyes. However, it does not make use of the infrared technology. Rather then measuring light, infrared is able to measure heat coming from objects within the environment, and in turn can be read by the security camera. Provide yourself, your family and your property the best protection whatever environmental and weather conditions it has to endure. To measure the infrared camera's quality, you need to know the camera's lux. Not to be confused with day/night cameras, a day/night is very sensitive that can capture videos in the low light conditions. As the lighting worsens, the camera gives you a black and white picture, meaning it has switched to the infrared mode. For outside cameras, go all out and invest in weatherproof bullet style models only that can survey a wide amount of area. Thus, they can 'see' in the dark, to see whether a person is loitering around your property and attempt to burglarize your home or store. A regular video camera is usually fine when recording videos by day, but they suck at night.