4PC USB Ammeter Voltmeter LCD Digital Blue and Red Display Current Voltage Meter

Features:
Dual Display for Voltage & Current – Simultaneously shows real-time voltage (0.01V resolution) and current (0.01A resolution) data, making it easy to monitor power output and device consumption.
Wide Compatibility – Works with 3V-9V input/output voltage and 0-3A current range, best for testing phone chargers, power banks, USB cables, and other USB-powered devices.
Accurate Measurement – High accuracy with 0.01V voltage resolution and 0.01A current resolution, featuring calibrated Accurate for reliable current readings.
Quick & Easy Testing – Simply connect the USB male end to a charger (e.g., 5V adapter) and the female end to a device (e.g., smartphone) to instantly read voltage and current values.
Cable Quality Detection – Helps verify USB cable performance by measuring power delivery efficiency, guarantee optimal charging speed and device compatibility.

Specification:
Part Name: USB current and voltage meter
Color: black
Material: plastic
Model: KWS-10VA
Input/output voltage: 3V-9V
Voltage resolution: 0.01V
Input/output current: 0A-5A (recommended range 0-3A)
Current resolution: 0.01A
Accuracy: plus or minus 1%
Line loss: about 0.1 ohm
Test content: voltage, current,
Communication function: yes
Data calibration function: yes
Size: 60mm (74mm) * 28mm * 15mm
Weight: 22g

Package Contents:
4*USB current and voltage meter


Note:
1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
2. Please allow slight manual measurement deviation for the data.