Driving on the road, there are some unexpected things occurring. In that time, the dash cam plays an important role. How to choose a high cost-effective dash cam?

Q: Does The larger wide angle of the dash cam have a bigger deformation

A: The common accident happened on both sides of the car, which is difficult to judge the response. So the wide angle is necessary. The reason for the large wide angle is that the fish-eye expands the scope of the vision through the convex mirror, at the same time, it brings some deformation.

At present, the mature technology product adopts full glass lens with 170-degree wide angle, it not only have s strong ability to correct the video but also increase the clarity and minimize blind area and information.

Of course, it is noticed to the fake parameters. Some 90-degree wide angle was promoted in more than 140 degrees.

Q: does the dash cam only need 1080p?

A: At present, the mainstream resolution of the dash cam 1080p on the market. If in 100km/h, it is still impossible to guarantee the shooting effect for license plate and the general situation, more than 1296p would be the first choice.

Q: does the dash cam need a screen?

A: the videos taken by the dash cam without screen need to be played on the computer. If without wifi, once the accident happened, it is troublesome to playback on the computer to obtain the evidence. Therefore, the screen is a standard for the dash cam. If it also can connect to the mobile phone, it is more convenient.

Q: Does the dash cam need 24-hour parking monitoring?

A: A lot of dash cam will automatically power off while the car shuts down. It might happen some unexpected things when parking. So it is important to have a dash cam that can work when some objects or people move within the monitoring range.

Q: Which is better? Dual-lens or single lens?

A: because of the cost, the pixel and wide angle of the dual-lens are low. If the front camera is 1080p, 140 degree, the rear camera must be 720p, 100 degrees. The dual-lens dash cam has a high requirement for the chip. Therefore, the cheap product can’t ensure the stable working. Besides, the front windshield of many cars with a dark film also result in the unclear image.

Q: Is the dash cam with LED night vision good?

A: the accident often happened in the nighttime. Don’t listen to the manufacturer’s promotion. If you don’t know about the parameters, look at the videos taken in the nighttime. People who have used LED lights will know that there is a blind area driving at night, if the LED lights are on in the car, it will probably make more blind area.

 front and rear dash cam:http://www.azdome.hk/front-and-rear-dash-cam.html