Total Mileage Adjustable, Mileage Range: 0-999999 km. -OverSpeed Buzzer Alarm (Value Adjustable). After selecting “BUZZ”, e.g. the LCD will show “B 80” (buzzer will be on when speed over 80km/h), press the button to change the flashing digit from 10 to 240 to set up target overspeed buzzer alarm threshold value.
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