Digital 3-digit 5V Dual LED USB Current Voltage Meter Voltmeter Ammeter Tester
4,11 €
Support MMC / SD / MMA and other cards, support USB interface (U disk);. Adapter Module. Display module. Step up module. Step down module. POWER: Standby (STANDBY) This button cannot be switched. support radio FM, receiving frequency band (87.5MHZ-108.0MHZ);.
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