The dash cam has been present a more popular automotive electronics product, the British driver still consider that has some indeterminacy factor. the reported mention whether the 4k dash cam was in the insurance company's domain. What situation is the dash cam using legal? Please read on. 

Is the dash cam legal? 

It can be made clear that using dash cam is legal, which you don’t need any special authority and don’t inform anyone, you only need to install it on your car. 

Is the dash cam legal on abroad? 

It maybe more complex when you use dash cam on abroad. If you prepare to bring your car to continental Europe, you need to consult in advance if the laws of your country or region allow individuals to use dash cam. Because some people will use it to do things that violate other people's privacy, some countries restrict people's use of dash cam. 

If your car is not just for personal use, you must inform others. 

For example, your car is public using, like bus, passenger car,etc. So you need to inform your passenger that your car was installed a dash cam, so that you don't have to be accused of infringing on your privacy. 

For people in text industry, it is more privacy. Minibuses and so on in the use of dash cam, it is necessary to inform the passengers on the car using the hd dash cam, otherwise may face unnecessary legal responsibility. 

If you don’t install the dash cam correctly, you may be fined. 

The correct installation location is important to the effect using dash cam. If your dash cam seriously obstructs the driver's view, the traffic police will consider that it is not safe, so you may be fined. 

At present, the rear camera sold on the market is basically waterproof,  but some small factories or copycat camera may not good, which lead to the blurry lens, you only use glue to seal the camera to solve. 

With snow on the rear video, the most likely problem is that the line is not installed well to cause poor contact. But it's also important to know if there's dust or dirt on the 4k dash cam camera, or if it's a problem with the reversing system. The worst situation is that you buy a swapped HD dash cam. the best way is to buy in a car shop. 

In addition, check that the DVD and camera video standards are consistent, otherwise, it will also appear black and white color or snowflake ext. If it still blurry, it is estimated that the camera imaging chip has some problem so it needs repairs. 

Generally, it doesn’t relate to the cable ? it may be caused by probe.try to change a new probe.this situation is that it is flooded water or decoded transfer and it may be interfered by the signal, but it is not likely. 

As long as it goes black or flashing, jumping is basically not the problem of the circuit, but the chip appears abnormal or dirty, watermark or water on the camera, which results in blurred camera. 

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we often hear about Ambarella when choosing the dash cam. How about the Ambarella dash cam? Certainy great. Because almost all the dash cam claim to have adopted Ambarella, so what are the advantages? 

the high resolution helps to shoot video clearly. Equipped with highly energy saving multi-core processor, it can analyze the high-quality image smoothly and rapidly in low power consumption. currently, the latest version is the A7, and the night vision effect is also the best of all programs. 

High performance and powerful image processing function. combining noise elimination, dynamic enhancement and high-speed image processing , both processing speed and processing effects are very amazing . The performance is very stable after many improvements. 

It is excellent for noise reduction. compared with the common camera, Ambarella dash cam can have Filter noise reduction and dynamic noise reduction function through colors-analysis for the picture, which not only improves definition, but increases the image compression ratio. 

The Ambarella dash cam has many advantages and the cost is also relatively high, which determines that it is unlikely to be used by all the dash cam, especially the cheaper ones.so which dash cam brands really adopt Ambarella chip? If you are demanding, I suggested that you take a look at AZDOME dash cam , a typical Ambarella dash cam, belongs to high-end dash cam with stable performance, good quality, perfect function. 

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What exactly is the use of HD dash cam? Why does the transportation department force the drivers to install the dash cam? 

HD dash cam is actually a recording device equipped with wide angle or ultra wide angle lens and installed near the front windshield of the car. Through professional installation and test, the dash cam will start recording automatically once the car engine is on, the dash cam is used to record the whole images during the driving process, the main purpose is to provide evidence in case of traffic accident, it can of course record the beautiful scene during your self-driving tour. 

The function of HD dash cam is not only to record, it is mainly used for traffic accident evidence, HD dash cam usually adopts memory card to record, the recording time varies from several hours to dozens of hours with the pixel and memory card, the dash cam is usually equipped with loop recording function, when the memory card is full, the previous recording data will be overwritten automatically. Vehicle dash cam is a multi-function high-tech product equipped with HD on-board DV recording, photographing, sound recording, external SD/TF card. Mainly used for on-vehicle shooting, to record the video image or sound during the driving process and effectively improve the driving safety. 

Most brand name products of HD dash cam adopt full automatic design, automatically record when the car starts, and automatically save the video when the car stops, loop recording, the whole process is completely automatic without manual operation, convenient and easy to use. The built-in display screen allows you to watch the video while recording, you can also watch it by downloading to the computer, used in the daily life, travelling and outdoor activities. 

Nowadays, HD dash cam is increasingly paid attention to, many drivers plan to equip their cars with a HD dash cam product, but there are numerous brands in the dash cam market, due to the lack of unified industry standard, the fake dash cams emerge in endlessly, which increase the difficulty for the wide car owners to choose the HD dash cam. 

HD dash cam is a HD camera used in car, its main function is to record and save the various videos, record the driving track, the general car owners also use it to record their life  

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