Have you ever feel regret when buy car DVR? Here come 5 Tricks about selecting GPS rear view mirror that will help.
Many businessmen have argued that the original dash cam has a wide view angle, the visual range as high as 140 ° and 270 °and with no dead Angle. But another of the problems of wide-angle is it easy to generate fuzzy edges. So when the accident happened on the side, the video fuzzy may also bring some trouble for owners.
Out of the focus is the problem of product quality, and most counterfeit products have quality problems. Users can make the video, excluding the situation of wide-angle causing the fuzzy edge, if the close items still make you feel fuzzy, probably your GPS rear view mirror is a counterfeit product. Besides, owners should not blindly pursue a wide-angle effect, generally speaking, 120 ° ~ 140 ° angle can meet the demand of daily traffic video, as long as it can be installed in the correct position.
Camera pixel and video resolution /CMOS and night vision
The higher the pixel is, the better the image. The power consumption and imaging noise at night of CMOS are smaller than CCD, so CMOS is a very key factor to choose a good android rear view mirror. Coupled with the supplement measure of LED light can effectively improve its ability to shoot at night.
The high pixel of the camera can provide better images. When users choose their device, they can use other digital devices, such as digital cameras and mobile phones to compare the same picture quality with the vehicle recorder. As for night vision, the number of LED lights does not equal the power of night vision. User can select the same image to make video on the light-filled and insufficient light condition, and then compare it.
Video recording ability and recording time
Most of android rearview mirrors have the ability to accomplish cycle recording. Time of cycle recording is suggested to be about 1 minute. Because if shooting time is too long, once the memory card is full it is easy to overwrite the previous file. While if the shooting time is too short, it can cause trouble for the owner to find the record. The time of the video is related to the product's built-in and external storage. Shooting time associated with the capacity of memory card. Generally, we use SD card or TF card.
It doesn't matter whether we use SD card or TF card as the storage device. The device that uses TF card is more miniature and simply to install.
In general, the vehicle is equipped with both built-in power and external power. The built-in power supply is usually lithium battery, and a small part will use the No.5 battery.
A large part of the vehicle is powered by a lithium battery, which has an obvious advantage over normal battery in using life. Generally, it can run for 2 to 4 hours.
Location and method of installation
Most of the vehicles use brackets to stick on the font file, and some products are fixed on the car by refitting. The screen size is usually about 2.5 inches, making it easy for users to playback. The large screen will increase the volume of rear view mirror navigation, which would not convenience to be fixed in the vicinity of the car dvr.
The property is commonly the target of the thief, and the small volume is not easy to attract their attention.