Skype Service: 
Is the range angle of the vehicle surveillance camera as large as possible?
No, it depend on the range of surveillance required, the mobile camera uses a lens similar to that of a SLR camera, with 2.1mm / 2.5mm / 2.8mm, 3.6mm / 3.6mm, 6mm, 8mm lens, etc. The number of millimeters is smaller , the image will be wider, but at the same time, the distance will be closer; the number of millimeters is bigger, the image will be narrower, but the distance will be farther.