dash cam

How to Choose Dash Cam

What is a Dash Cam?

The Dash Cam is an instrument that records relevant information such as images and sounds during the driving of the vehicle. By starting the engine, it can record video immediately. Through high-definition lens photography, the images and sounds of the vehicle during driving are completely recorded. After installing the Dash Cam, it can record the video images and sounds of the entire driving process of the car, which can provide evidence for traffic accidents. In addition, it can also be used at home for DV, home monitoring, and usually for parking monitoring.

The Benefits of the Dash Cam

Recording driving scenes: The main function of the Dash Cam is to record the images, sounds, and vehicle conditions of the vehicle while driving.

Convenient insurance and quick claim settlement: Provide accident video directly to the insurance company, and you can quickly get the claim payment.

Traffic accident evidence: When an accident occurs, the Dash Cam can record the scene video of the accident and provide evidence materials to the traffic police.

Night parking monitoring: Some Dash Cams can be used for night parking monitoring, but the development of this aspect is not very mature at present, so it is necessary to purchase with caution.

Anti-collision porcelain: Some “touching porcelain professional households” will target novice car owners. If you have a Dash Cam, you can provide yourself with effective evidence.

Home DVD: The car tachograph can also be used at home for DV shooting for fun of life, or as home monitoring.

Types of Dash Cams

According to the assembly method

It can be divided into portable Dash Cam: it is divided into rearview mirror Dash Cam and data Dash Cam, with good concealment, easy installation, detachable replacement, low cost, and simple use; rear-loading machine integrated DVD Dash Cam : It is generally used for special vehicles, and it is divided into two types: front-mounted and rear-mounted. The cost is high and the modification is difficult, but after installation, the interior environment of the car can be maintained.

According to the number of cameras

There are 2-way, 3-way, 4-way and 8-way dash cams. One of the 5-way inputs can be connected to the reversing camera, and the other four-way driving record video can be used.

According to the features and functions

High-definition Dash Cam, Mini Dash Cam, night vision Dash Cam, wide-angle Dash Cam, dual-lens Dash Cam, multi-function machine, glasses-type multi-function Dash Cam, etc.

According to the screen size

1.5 inches, 2.0 inches, 2.4 inches, 2.7 inches, 2.5 inches, 3 inches, 3.5 inches, 4.3 inches, 4.7 inches, 5 inches and 7 inches and no screen, etc.

According to the memory capacity

High-definition dash cams are available in 720p and 1080p. 4G card recording 720p video can only record about 1 hour, and 1080p video takes up nearly twice as much space as 720p

According to the video resolution

The resolution and frame rate of video files are an important indicator to measure the quality of the Dash Cam. The Dash Cam market is mainly divided into four types: normal, high-definition, full HD, and ultra-clear. The high-definition Dash Cam has 720p@30FPS , 720p@60FPS, 1080p@30FPS, 1080p@60FPS, Ultra HD has 1296P@30FPS.

According to the shooting angle

90 degrees, 100 degrees, 120 degrees, 140 degrees, 150 degrees, 170 degrees, etc. Mainstream single-lens dash cams are equipped with 120-degree or 140-degree wide-angle lenses. A single lens basically cannot reach a wide-angle of 170 degrees, and even if it reaches the picture, it will be seriously deformed, affecting the clarity of the picture.

According to video pixels

There are four types: 300,000 pixels, 1.3 million pixels, 2 million pixels, and 5 million pixels. Some labels 12 million pixels refer to static photos, not video pixel values.

How to choose a Dash Cam

Wide angle shot

Wide-angle shooting is a function that the Dash Cam should have. Some special situations such as scratches will occur during driving. It is not limited to the front part of the car. Therefore, the recorder with only one camera has a wider shooting angle to record. More content below.


In the actual driving process, the vehicle lights are often too strong at night, resulting in the driver’s line of sight cannot be well guaranteed. If the Dash Cam does not have a good backlight shooting effect, it must be greatly reduced in night recording.

Support Night Vision

We not only drive to work during the day, but also drive home at night. In the case of low ambient brightness at night, the Dash Cam must be prepared for night vision shooting, otherwise driving at night will not be able to record anything.

Video Resolution

The recorder itself is to record the image of the driving process. The clearer the image record, the better, so that the recorded image can see the details of every place more clearly, including the license plate number and portrait and other important image elements. .

Emergency storage

By manually clicking the storage button and the built-in acceleration sensor, the image for a certain period of time is automatically saved when a certain collision occurs, ensuring that the image can be saved during the recording process.

Loop video

At the same time, in order to reduce the cost of the Dash Cam, the product generally uses the method of cyclic recording to reduce the pressure on the storage device, and corresponds to the emergency storage function, which can ensure that an ordinary storage space can achieve unlimited storage.

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