1. The camera should have a larger shooting angle, which is conducive to comprehensively recording the surrounding conditions of the vehicle. However, it should be noted that the angle of the lens should not be too exaggerated to avoid distortion in the captured image.

　　2. The driving recorder should have good camera clarity and nighttime shooting ability. High definition is determined by the main control chip of the dash cam, and at this time, car owners need to pay attention to which image processing solution the main control chip of the dash cam is. Another thing is that the dash cam needs sufficient storage space to achieve long-term effective recording.

　　3. Try to choose something with good concealment to reduce the risk of window smashing and theft.

　　4. The mainstream image processor formats are MOV and avi formats. If the dash cam cannot reach 30 frames per second, the video will stall and not flow smoothly in 1080P photography mode. In 720P photography mode, it is necessary to reach a minimum of 24 frames per second that the human eye can adapt to in order to see smooth and clear video images.

　　5. With the mandatory installation of tachographs on public transportation, buses, and school buses, logistics and transportation companies have also begun to enforce the installation of tachographs and require products to be 3C certified.

　　According to the regulations of the National Compulsory Certification Quality Center for driving recorders, whether it's a driving recorder or a car black box. All must pass 3C certification before they can be sold. So when choosing a brand, buyers must be cautious and purchase products from reputable manufacturers with 3C certification to ensure safety.

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