What does night vision without light mean?

[Emerson]

Night vision without light refers to a feature of a dash cam that allows it to clearly capture objects within the lens even in complete darkness. The functions of a dash cam include: 1. Recording various status information of the vehicle's movement and the driver's operations, as well as the vehicle's location and travel route; 2. Automatically issuing continuous alarm prompts when the driver is fatigued but hasn't stopped to rest, and back-end monitoring departments can also contact the driver for a break; 3. Recording the vehicle's driving status, and by extracting the stored data from the dash cam, assisting in determining the responsibility for traffic accidents, thereby making the determination of accident liability more scientific.