LCD USB Voltage and Current Meter Tester, 3.5-7V, 0-3A

This compact USB meter tester measures the real-time voltage and operating current of USB power sources and connected devices. It functions via simple plug-and-play operation with no external power supply required. It is an ideal diagnostic tool for students, makers, and hobbyists monitoring USB-powered projects.

Plug-and-play USB monitoring

The tester measures the output voltage of a USB port as well as the operating current and load voltage of connected devices. It requires no additional power supply, making it quick and easy to deploy in any setup.

Versatile device compatibility

Designed for broad compatibility, this meter detects power delivery across PC USB ports, wall chargers, and car chargers. It can be used to test phones and a wide variety of USB electronic products.

Compact and portable form factor

With a transparent casing, a weight of just 17 g, and dimensions of 52 mm by 22 mm by 14 mm, the unit is highly portable. It is well suited for personal use, school laboratories, and workshop environments.