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USB Charger Doctor Inline Voltage Current Meter Tester - USB Power Diagnostic
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USB Charger Doctor Inline Voltage Current Meter Tester - USB Power Diagnostic
Price: US $3.69
1Pc USB Charger Doctor Inline Voltage Current Meter Tester - USB Power Diagnostic
High quality, small sized, easy and convenient to carry
- It can measure current and voltage of the power supply equipment with USB port
- The voltage and current will be displayed circularly
- Plug and play, no extra power supply needed.
Workable range: U= 3.5 - 7.0V, A= 0 - 3A
Resolution: Voltage 10mV, current 1mA
Error Range: Voltage
Full-scale Voltage Drop: 200mV

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