Last updated: August 12, 2021

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Welcome to ReviewBox Brasil! Today we are going to talk about an access control device that can take your home or business security to a new level: the video intercom! With it, you will always have full control of who can pass through the gate and enter your domains! Since the emergence of intercoms, access control mechanisms have not stopped evolving. The video intercom is a modern, technological and safe option. Stay with us to find out everything you need to buy the best possible model and become a much more peaceful person!




First, the most important thing

  • The video intercom is the evolution of the simple intercom: it allows access control after analysing not only the visitor's voice, but also the image.
  • A quality device is able to hold several cameras, connect to more than one lock and still reproduce images with high definition.
  • It is necessary to choose a video intercom that guarantees security 24 hours a day and has components resistant to weather actions such as rain and sun.

Video Intercom: Our Picks

As the demand for good video intercoms grows, more companies specialising in security and surveillance are investing in the product. We have selected some of the best models available to present to you:

Buying guide

But, after all, is it worth having a video intercom? What are the advantages and disadvantages of this product? What is the difference between the models? Stay with us in our buying guide to learn all about this valuable equipment!

Imagem mostra uma mulher sorrindo enquanto usa um vídeo porteiro.

The video intercom is a device that can greatly increase the security of your residence. (Source: Iakov Filimonov / 123rf.com)

What is a video doorman and what is it used for?

A video intercom is quite similar to an intercom: A device that enables those who are inside a certain place to allow or not allow other people to have access to it. Who makes this control can open doors or gates just by pressing a button. However, in the case of the video intercom there is an additional tool: the camera. Thus, the identification is not only done by voice, but also by image. The device is no longer just a form of access control, but also a surveillance equipment. The better the video intercom, the more features it can offer: Large number of cameras, control of more locks, better image quality, audible warnings and much more. Thus, it consolidates itself as the most efficient in residential or business access control technology.
Did you know that access control devices with identification are relatively new? Intercoms using voice exist since the 1950s, and with image since the 1980s. This is still a technological niche with much to be explored!

What are the advantages of a video intercom?

As much as a common intercom is considered safe, there are people who know how to cheat it. With today's technology, it is possible to fake voices, take bits out of context to be used and deceive the most naive people.
The video intercom is an advanced access control system

The video intercom is an improvement on this access control system: With it, you not only hear the voice, but also see the image of who is at the door. Fooling the person on the inside becomes practically impossible. This equipment offers great security and ease of access control. With the push of a button, two or three doors can be released. This after having a complete visual overview of who is actually trying to enter the home or business and even the surroundings. Good video intercom models also offer cameras with night vision and excellent image definition, which can be useful both day and night. The only disadvantage of a video intercom is the price: perhaps with intercom and simple monitoring camera you can create the same effect as with it, although the efficiency of the system is not the same. Check below the main advantages and disadvantages of video intercom:

Advantages
  • Security system practically without flaws
  • Allows full view of the door and surroundings at the moment of access
  • Very easy to use: One button releases several doors
  • Features guarantee perfect functionality at any time
Disadvantages
  • Can be played with cheaper avulsive equipment

Is the video intercom the best security option for my home?

If you want to install a simple access control system in your home, without a doubt the video intercom is a great option. It is more efficient and less susceptible to failure than a simple intercom or a common monitoring by cameras. To really invest in security, we recommend that the video intercom is not alone, but that it can be allied with some other device that is capable of alerting you when something is wrong: a central alarm would be ideal.

But when it comes to access control only, the video intercom should not be the choice if the budget is limited and you prefer to assemble the system with separate parts, such as an intercom, a bullet camera and a small old television. No matter if your house is small or large, the video intercom will fit very well: just choose the model that offers compatible number of cameras and connection with the number of locks that need to be opened for the visitor to reach the final destination. In the table below, we set up a comparison between the video intercom and the improvised system (intercom, camera and separate viewing equipment):

Video intercom Improvised access system
Price Higher Lower
Installation Easier (ready to be installed in one go) Needs the installation of each component separately
Warranties Will always work perfectly as a single piece of equipment All security may be compromised if only one component is defective

What features are essential in a video intercom?

A quality video intercom is not only composed by a device similar to an intercom and a camera. There are some features that are essential for its good functioning.

  • Night vision: If the video entry camera does not have good quality night vision, it will be useless at night. It is necessary that clear images are produced regardless of the time of day.
  • Connection with locks: The best video intercom models can be connected to more than one lock. Thus, the device can control access to various environments of the residence or company.
  • Call transfer: If you can not be on site all the time and eventually need to approve access from afar, you can register a mobile phone number and do the control through this device. This makes your life much easier!

All these features are very important so that your video intercom model is among the highest quality ones in the market!

How to install a video intercom?

Some video intercom models are of simpler installation, while others have many complicated details. One way or another, if you don't have much experience in the subject, it is better to hire someone specialized. If you want to try, we selected a video from the official channel of Intelbrás, one of the main video intercom manufacturers, teaching how to do the installation. For the other brands, the process is similar. Check it out:

How much does it cost and where to buy a video intercom?

We found a considerable variation in the price of video intercoms. The amount of features, the brand and the size of the display are among the main causes of this. The cheapest models cost around R$ 350, but already have quality, and the most expensive, approximately R$ 1.000. Security companies can be good options to buy a video intercom, as well as general shops, such as Multicoisas. We recommend that you make the purchase over the internet, prioritizing the Brazilian Amazon. Also review Amazon International and Mercado Livre.

Purchase criteria: What to take into consideration when choosing a video doorman

There are still some important issues we need to mention about video intercoms. We have selected four criteria that should influence your choice of the ideal model:

Below, we go into more detail about each of them.

Number of cameras

How extensive is the front outdoor area of your home or business? What kind of surveillance do you want to do? Do you want to extend it to other locations as well, such as gardens or patios? One variation in video intercoms is the number of connectable cameras. The simplest models can have only one, which is the one in the area where the external module is installed, while others can have up to four, five or six. Therefore, think about the external panorama that you want to see in your video intercom before finalizing the purchase! The variation in the number of cameras offers different levels of surveillance.

Imagem mostra uma mulher usando um interfone comum.

The video intercom offers more security than an ordinary intercom without cameras. (Source: goodluz/ 123rf.com)

Display

Another issue is the quality of the image on the display, i.e. the part of the video intercom where you see what the cameras are showing. There are variations in size (in inches), resolution and even colouring. You can choose a very simple model, with a small screen that only allows you to identify the face of the person you want to enter. However, there are much larger variations and in high definition, recommended for when there is a much greater need for security and attention to every detail.

Power supply

When you choose a video intercom model which has some parts functioning by electricity, you may be without surveillance and access control in case of a power failure. Therefore, if it is necessary to have it available 24 hours a day, this may not be the best option.

A battery powered video intercom requires more maintenance, but runs continuously

The other possibility is that each of the components of the device has its own battery. You will need to know when to change them, but you will rarely be without your doorbell for a long period of time. This way, security is increased. There is also the option of primarily electric models, but with battery backups. Although a little more expensive, they can solve power-related problems.

Durability

Some parts of a video intercom are located outdoors: most often, surveillance cameras and intercom modules. They constantly suffer from nature's actions such as rain and intense sunlight. Therefore, it is necessary to choose a video intercom model that guarantees resistance and durability. Only then you will have the peace of mind of knowing that you will not need to replace components quickly. (Image source: Evgeniy Kleymenov/ 123rf.com)

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