It doesn't need any external power, and plug and play. And it not only voltage and current detect, but also a USB hub.

As a common USB detecter, It has large detection range, 3.2v to 10v Voltage and 0A to 3A current.

 

Simple and practical

Small size

Convenient to carry

No external power

Plug and play

 

Min supply voltage: +3.2 V

Max supply voltage: +10 V

Measuring Range:DC 3.2-10V

Operating temperature: -10 to 65° c

Operating Humidity: 10 ~ 80% (no condensing)

Working pressure: 80 ~ 106kPa

Display Type:Digital Only

Operating Temperature:-10 to 65° c

Brand Name:DC Voltmeter Ammeter

Accuracy Class:1% (± 2 digit)

Dimensions:69 x 26 x 19mm

Model Number:YB26VA 2in1 DC Volt Amp Meter

USB extension cable:≥ 120mm

Display:0.28 "LED red

Measuring rate:≥ 500mS / times

Operating Current:<20mA

Measure current:3A

Test Current: 0 ~ 3A (Max 10A, but the error is big, cannot work for a long time)