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DIGITAL Red 5 LED Frequency Tachometer Speed Converter Motor Car Meter DC 7-12V

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Work Modes:Frequency meter /Tachometer, you may change themode via press the switch; Hold the work mode when power off. Display refresh ra te. Frequency meter. Signal frequency ≤ 3HZ: about singnal fr...
Time left:3d 4h 12m
Item location:China
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