A Complete Guide On CCTV Cam

A Complete Guide On CCTV Security Camera


10 With the increase in crime, the demand for security cameras is increasing as people need to be alert and cautious. Cctv cameras have been playing an important role in the safeguarding of homes, offices, and other such places. A camera is a device that helps capture visual images of places, people, etc.  Cctv is an abbreviation for Closed Circuit Television and is also known as video surveillance.

Cctv cameras are different from general cameras and these cameras are designed for video surveillance to take care of security. Generally, cameras are used for photography and are the main asset of professionals whereas CCTV cameras help us in monitoring places that require extra security.

If you are looking for a CCTV security camera and are not sure about which one to buy or are doubtful about the worthiness of these cameras. This article will give you all such relevant information about security cameras and will help you select a good camera. Consider all the things mentioned in the article for all the information you need before buying. Besides,relevant information thisarticle will also serve you as a guide.

History of Cctv camera


The first camera similar to a CCTV camera was developed by Russian physicist Léon Theremin in June 1927. Later, it was introduced to other people as well. Everybody liked the idea so this camera and finally, it was decided to be installed. Then, one such camera was installed in the courtyard to monitor the visitors. Then in the year 1942, an original CCTV  camera was installed at Test Stand 7 by Walter Bruch a German engineer. The main purpose of this camera installed in Germany was to see the launch of V2 rockets.

These also help to monitor the terrorist attacks that take place everywhere. Though it is unlikely that terrorists would be afraid of these cameras but some of their activities could be curtailed by their usage.

Video surveillance is also required to monitor the activities of visitors at various places. Museums, historical monuments, banks, and all such public places are well equipped with security cameras. These have been very useful in safeguarding people from fraud and crimes.


Types of CCTV camera


  1. Internal & External Dome Camera

This camera gets the name dome from its dome-shaped case. It is very easy to fit outdoors as well as indoors and provides an amazing 360-degree rotation feature.

  1. Bullet Camera

Bullet Cameras have amazing designs and are highly visible. They are cylindrical and are very good at capturing very long distances.

  1. C-Mount Camera

C-Mount Camera has the specialty of detachable lenses that help to monitor various distances. These cameras are mostly very bulky but are equally good and give you amazing pictures.

  1. Day/Night Camera

Day/Night Camera is the one that is ideal for any time, no matter how the weather conditions are. So, Even at night, these are capable of recording clear images.

  1. PTZ Pan Tilt & Zoom Camera

This is one of the best security cameras we have, these provide an amazing feature of 360-degree rotation. The security team has complete control over the camera and just by the click of a button it can change its angles.

  1. Network Camera

Network Cameras are capable of sharing live footage over the internet. hence it is easily accessible from anywhere. One of its main advantages is that it does not require a lot of maintenance.

  1. High Definition Camera

HD CCTV camera is the one that offers exceptional images quality and the pictures are excellent as they are crystal clear to be precise.

  1. Thermal Image/ Infrared Camera

Thermal Cameras use thermal images to provide footage in the dark. These cameras can detect light fog, dust and can even work in complete darkness.

  1. Wireless Camera

Wireless cameras (hidden camera) are best for public places because, museums, banks wires might not look good with so many wires.

  1. Discreet CCTV

The discreet camera is the other name for the hidden camera and These cameras are very useful as they can provide video footage even without people noticing. These spy cameras are popular in intelligence agencies and by police forces. These cameras are not useful for public security but are more popular for home security.

  1. ANPR Camera

ANPR stands for Automatic Number Plate Recognition. The technology used in these cameras helps to read the number plates of vehicles.

These all are the main types of security cameras that are available in the market. Choosing a perfect camera is essential to take full advantage of it. The purpose of the camera helps to determine the type of camera. This helps in selecting the best one. Most of the public places require tight security. The home security camera only needs some basic features to work well.

12. Varifocal Camera

A varifocal camera helps you adjust top and bottom limits on the view angle. This camera is quite popular as it allows you to zoom until you have the best field of view.



All that you need to know before buying a security camera


– image quality

– pan tilt

– easy installation and setup

– waterproof or not?

– inbuilt sd card or DVR

– no of LEDs in the camera

– minimum and maximum range

– 360° rotation

– wired or wireless?

– price

– warranty

– weight

– does it have a motion sensor & audio sensor?

– is there an in-built sd card?

– design

– Is the video chat option available or not?

– works offline or not?


Mentioned above are some of the main features of security cameras.


Top 15 CCTV cameras of 2021

These are the 15 best cameras of this year, this list is specially curated keeping all the factors in mind.


–           Mi Full HD WiFi 1080p 360° Viewing Area with Intruder Alert, Night Vision, Two-Way Audio Inverted Installation Smart Security Camera

–           Conbre MultipleXR2 Pro {Upgraded} HD Smart WiFi Wireless IP CCTV Security Camera

–           V 380 Pro HD 720P Night Vision Wireless WiFi Ip Camera

–           TP-Link Wireless Indoor Security 360° 2MP 1080P (Tapo C200)

–           D3D CCTV Camera WiFi with Home Security Alarm System

–           Realme 360 Deg 1080p Full HD WiFi Smart Security Camera

–           Qubo Smart Home Security WiFi Camera (Black) with Intruder Alarm System | 1080p   full HD 2MP Camera

–           these 360° Smart Home Office WiFi Camera Outdoor PTZ CCTV

–           Sehome SH030 Dome Wireless WiFi 3MP Ultra HD 1296p IP Security Camera

–           Your IP67 Weatherproof Wireless Outdoor Security Bullet Camera

–           Google  Nest Cam IQ Indoor

–           Reolink Argus 3 Pro

–           Ring Stick Up Cam Battery

–           Amcrest 4MP UltraHD Indoor

–           Y1 Dome Camera U

–          Wyze Cam v3






Security cameras are very useful and important these days as crime rates are increasing with each passing day. Therefore, the popularity of such cameras has increased over the past years. So choosing the right CCTV camera for security is very important. There are many models in the market to fulfill everybody’s needs. It is its main purpose and Cameras should be such that work well even at night.

The prices of these cameras vary a lot like the ones that have additional special features tend to be expensive. Some very reasonable cameras might not be good and may not record good clear pictures. This article is a must-read before buying any CCTV security camera. As it contains all the necessary information which will help you while selecting. Last, of all, it is very informative and helpful.




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