2. Using car USB (5V) or cigarette lighter to USB power supply, truly zero power consumption. USB or cigarette lighter is a short power, the car is turned off and the power is cut off, there is no the phenomenon of power stealing, and OBD is a long power.
3. Add the speed calibration function, which can be adjusted to be consistent with the car dashboard display.
4. A variety of interfaces can be switched at will to meet different needs.
5. Self-adaptive light-sensing, large light hole, brightness changes naturally with the environment.
6. Function: reflection imaging, no film and no ghosting. Speed, time, driving distance, altitude, number of satellites, mile switching, display mode selection, support for hybrid power, automatic start and stop.
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