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USB Multimeter Charger Detecter KWS-V21

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  • Easy to measure the output current and voltage of a USB power supply. With the multimeter you could know clearly the charging status of your phone or tablet and distinguish bad chargers and cables.
  • With the time and capacity storage, you could also, measure the total capacity in mAh.
  • No battery, no on/off switch, plug and play.

385.00 550.00

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