Universal Car Digital GPS Speedo Speed MPH KMH HUD Head Up Display Speedometer

6, with speed warning light alarm function, when the speed exceeds the preset alarm speed, the device will automatically flash to remind the deceleration;. Speed unit: MPH, KM/H. 4、Large screen colour ambient light display, support multiple display modes, with speed + ambient light + compass mode, speed + compass mode and single speed mode;.

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