USB Detector Voltmeter Ammeter Power Capacity Tester Meter Voltage Current Bright Blue

Features:
100% new and high quality!
This is a mini USB meter. It can measure voltage current power and capacity.
Simultaneous display of voltage and current data easy to view.
Can detect a variety of power supply output voltage and current.
Durable and safety.
Small size and lightweight easy to carry.
Calculating the capacity and efficiency of mobile phone battery power bank.

Specifications:
Model:KWS-V21
Voltage:4-20V
Current:0-3A
Color:Bright blue
Size:73*23*13.5mm

Package included:
1 x Power Capacity Tester

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