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Classification of traffic recorders.


1. According to the number of cameras

According to the number of car cameras generally have 2 road, 3 road, 4 road traffic recorder. One of the five inputs can be used to connect to the reversing camera, and the other four driving records are used for video recording.

2. According to appearance and function

According to the model and function can be classified into: HD tachograph, mini tachograph, night vision tachograph, wide Angle tachograph, double lens tachograph, multi-functional all-in-one, glasses multi-functional tachograph and so on.

3. By screen size

1.5 inch, 2.0 inch, 2.4 inch, 2.5 inch, 3 inch, 3.5 inch, 4.3 inch, etc.

4. By memory capacity

Generally, the driving recorder has no built-in memory, and it depends on the memory card expansion or mobile digital hard disk. If it is a Micro SD card expansion or SD card expansion, the capacity is 2G, 4G, 8G, 16G, 32G; If it is a mobile digital hard drive, the capacity can be: 250G, 500G, 1000G, etc., can meet the user's greater video storage needs, according to personal requirements, the larger the memory of the tachograph price of course, generally according to the clarity of the tachograph video and camera record storage to decide how much memory to buy suitable, high-definition tachograph 720p and 1080p, 4G card recording 720p video can only record about an hour, 1080p video occupies nearly twice the space of 720p.

5. Press video resolution

The resolution and frame rate of video file are an important index to measure the picture quality of dashcam. The driving recorder market is mainly divided into four kinds: Puclear, HD, full HD and ultra clear. The high-definition driving recorder has 720p@30FPS, 720p@60FPS, 1080p@30FPS and 1080p@60FPS, and the ultra clear has 1296P@30FPS.

6. By shooting Angle

There are several kinds of shooting angles, most of which are adjusted according to the Angle of the camera: 120 degrees, 140 degrees, 150 degrees, 170 degrees, 100 degrees, 90 degrees, etc. Mainstream single-lens dashcams are equipped with a wide Angle lens of 120 or 140 degrees. Single lens can not reach the wide Angle of 170 degrees, even if it reaches 170 degrees, the picture will be seriously deformed, but affect the clarity of the picture.

7. Press video pixels

According to the pixel division, there are: 300,000 pixels and 1.3 million pixels, 2 million pixels, 5 million pixels four, some marked 12 million pixels refers to static photography, rather than video pixel value.

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