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The use of modern video surveillance systems is one of the most important aspects in security. Such a device as a DVR for 4 cameras for the car, helps to monitor the situation around the car while driving. If an accident occurs, then with the help of this device it is possible to collect an overall picture of the incident from fragments and thereby prove the participant’s innocence or confirm the assumptions about the chronology of the event.

Четырёхкамерные видеорегистраторы являются самой распространённой моделью среди прочих цифровых устройств в России. Автомобильный видеорегистратор на 4 камеры достаточно сложно, но надолго фиксируется в машине и предназначен не только для отслеживания ситуации во время движения, но во время стоянки.Читать далее о том, как выбрать видеорегистратор с 4 камерами-->

What is a DVR on 4 cameras

For drivers who want to be aware of what is happening around the car while driving, a special model of the car DVR for 4 cameras has been developed. Its installation helps to record in detail everything that happens, even with small viewing angles of each camera.

The scheme of the DVR with multiple cameras

Externally, the device consists of 4 separate chambers connected via the main unit. Video images are displayed on the monitor both separately from each camera and simultaneously from all four using the “Quadrator” function. If there is no monitor, then you can view the recordings on your computer, mobile phone or on TV. You can play videos on other electronic devices with the help of carriers on which information is recorded from the main unit. Modern DVRs are capable of supporting various memory cards like microSD, SDHC or USB.

The DVR on 4 cameras for the car performs the main functions:

• Fixing the traffic situation at once with four cameras
• 24-hour monitoring of the car using the Wi-Fi function or the mobile Internet.

Features of operation of the DVR on 4 cameras

When choosing a car DVR for 4 cameras, you must take into account the type of car in which it will be installed. The device is ideal not only for ordinary cars whose owners care about safety, but also for equipping special purpose vehicles, such as collection, police vehicles, ambulance or for transporting children, as well as for buses, trams and trolley buses. The difference in the use of a conventional car and public transport is in operating conditions, which takes into account the level of vibration and noise, as well as temperature extremes.

The use of the DVR in buses, trolley buses and trams is not limited to only four cameras. Some brands of car DVRs additionally have audio and video inputs, thanks to which you can install a larger number of cameras and increase the range of the viewed territory.

Better passenger cameras can be installed in the passenger compartment

Car DVR has a set of useful features that help to collect a complete picture of what happened. With the help of GPS, G-sensor and LDWS function, the video's evidence increases, and the information is protected from accidental destruction. And on the image itself you can see the recorded coordinates, date and time, as well as the speed with which the driver was driving. From the video images from all four cameras, it is possible to present one overall picture of the incident, taking into account the smallest details. These data often play a crucial role in determining the guilt of participants in an accident. Some models of the device allow around the clock using the Wi-Fi function to monitor the car, whether the car is in motion or standing in the parking lot.

The compact dimensions of the device make it possible to fix it in a car in such a way that it does not interfere with the visibility of the driver and attract attention. The main unit fits in the glove box, and the wires are hidden under the cabin trim.

Camera installation sites allow you to track cadet movements and detect errors

All four cameras are filmed simultaneously, the quality of the video being shot depends on the performance of the processor and the model of the DVR. For example, some devices are able to provide shooting with HD-resolution from all four cameras, others - only from the front.

The highest technical level of the device, as well as a complex installation system, explains the high cost of the DVR. But the installation is done once and does not require additional work during operation, and its functionality allows you to protect the driver and passengers during the trip.

Parameters for selecting a DVR for 4 cameras

A car owner who has a desire to equip his car with a 4-camera DVR must first make sure of the performance and quality of the product. Below are the criteria for evaluating the DVR before purchase:

• CPU performance
• Optical camera performance
• Quality of shooting
• Battery
• Functionality: shock sensor, GPS, etc.

The quality of the DVR and the image depends on the performance of the processor. A 4-camera car dvr records one camera at a speed ¼ of the initial value. Therefore, in multi-camera recorders there must be a very powerful processor, so that the quality of the pictures from all the cameras would be of excellent quality.

Usually shooting is carried out using wide-angle lenses of 140-160 degrees. The highest quality recording is the resolution SuperFull HD and Full HD. When buying a DVR, be sure to make sure that the corresponding video parameters are specified in the instructions. Otherwise, with a lower quality of shooting, the image on the screen will be blurred and unclear.

If a battery comes with the 4-camera DVR, this will undoubtedly be a plus. With it, shooting will continue even in the absence of power from the onboard network. This detail is very important and especially in case of an accident.

Depending on model, kit contents may vary.

The shock sensor, also known as the G-Sensor, is a function that operates at the moment of impact or collision and automatically saves all important videos to a special folder. With the help of the records it will be possible to restore the chronology of the incident. In addition, you should pay attention to the functionality of the DVR on 4 cameras in general. As a rule, features such as GPS navigation, Wi-Fi module, as well as the ability to save video and photos in JPG format, add advantages to the device when it is selected.

Buying a car recorder, it is also worth paying attention to its appearance. Any abrasions, irregularities or inconsistencies with the stated standard should suggest an inappropriate quality of the product.

Having decided to buy a four-car DVR, you need to understand on which vehicle it will be used. The device is suitable for ordinary small car, and for public and special transport. Versatile and technically advanced, it has such a set of advantages that a single or two-chamber car recorder does not have Discounts for new cars! Profitable loan from 9.9% installments 0% adom.ru. In order to choose the right device, you need to understand the principle of its operation, make sure that the processor has sufficient power, check its operation when purchasing, and also make sure that the quality of the shooting is adequate and evaluate the video picture from the point of view of clarity. Selected four-camera DVR will be a good assistant in solving controversial situations arising on the road.