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With USB charge port

Two Bottons: Power botton and Function botton

Long press power botton: open the power

Short press function botton: show the TIME, TRIP, ODO, DST, VOL, CH2:00

In the TRIP, long press Function boton: single trip clear

Short press Power botton, and press function botton: change the gear position

 

1* Acceleration LCD display with install parts

 

The different between Blue and colorful screen: