What is a CCTV camera and What to Look for in One?

Closed Circuit Television, more commonly known as CCTV, is a system that's made up of video cameras that have been strategically placed. Once footage has been taken of that area, it is transmitted to some display monitors. That way, the footage can be played back or viewed in real-time.

So, what is a CCTV camera system?

CCTV systems refer to components and all aspects making up that system. They include storage of the video CCTV Camera footage, access controls, monitors, etc.

Other than recording footage of an area's happenings, CCTVs can also be used to notify their users of movement or activities in a particular room. This is possible thanks to the motion sensors modern surveillance cameras have.

What is a CCTV Camera System and How Does CCTV Work?

The workings of a CCTV camera are less complicated than it sounds. Even so, a more significant part of it depends on the system type installed as well as the components of a cctv camera that've been used. Nonetheless, the process is still the same.

You also have the option of scaling a CCTV camera either down or up. All this depends on the area that you want to be monitored. Surveillance cameras work by taking a series of images over a given duration. After that, the images are transmitted either wirelessly or by cable to the device storing the recordings.

What's more, there are also some cameras that have the spectacular ability to zoom at a 360-degree out and in angle.

What Is CCTV Camera?

This is, by far, the most economical of all CCTV cameras. They derive their name from their dome shape and are mainly meant to be used indoors.

Bullet type

These are cameras that have been set up in such a way that they are fixed on one area or object. As such, they make great CCTV cameras for your phone. As for their shape, they have a cylindrical and thin design. These types of cameras are famously distinguished by their affordable price and smaller size.


These are CCTV cameras that are slightly more advanced than other surveillance cameras. They come with lenses that can be detached. This thus enables you to use it in a way that'll fit your specific needs. For example, standard surveillance cameras can cover a distance of not more than 40 feet. On the other hand, A C-Mount camera can cover further than 40 feet.

Night & day

These are cameras that can operate in different environments, be they poorly lit or in everyday surroundings. Moreover, night & day security cameras do not need infrared illuminators. This is because they've been made to give clear videos, whether it's night or day. Their wide dynamic range also makes them suitable for environments that have a backlight, reflections, direct sunlight, and glare.

Nights o infrared vision

Unlike those mentioned above, these CCTV cameras can see in pitch-black surroundings. They can see with the help of infrared LEDs. As such, they are ideal in conditions that have almost no lighting or outside.


They are surveillance cameras with a feature that allows their users to zoom out and in as it maintains image focus. They are the cameras that are mainly used in reality shows to highlight characters.

What is CCTV Camera - Factors Influencing its Sightline

  • Field of view: This basically means the parts of a surrounding you can see. All this depends on the lens and camera being used and its adjustments. Remember, the wider it is, the more you will be able to see.
  • Focal length refers to the distance between a focus and the center of a curved mirror or lens. Thanks to the focal length, you will be able to know just how far you can see.
  • Resolution: This refers to the details in the images, and it's most suitable for night cameras. High definition cameras are pocket-friendly.
  • Distance: The camera you choose should be able to see others even from a reasonable distance.
  • Quality: This matters, especially when it comes to identifying the distance a camera can see. When you want high-quality cameras, you will need to consider top CCTV brands.
What Is Security Camera?


You must have a proper understanding of the different types of cameras available. That way, you will be able to know which one best suits your home surroundings. When you consider all mentioned details above, you can confidently go and purchase the right one.

CCTV Camera For Home

CCTV security cameras

Video Surveillance Systems