In terms of lens Angle, most of the current in vehicle dvr using 120 degrees to 140 degrees wide Angle lens, also has the high-end product USES the 158 degree wide Angle lens, more than 158 degrees, arrived at 170 degree wide Angle.
The image will be serious deformation. Some inferior poor dvr car recorder USES a 90 degree Angle lens, shoddy.
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