Mini 5V Red Blue USB Current Voltage Meter Tester Detector Double Digital Display Portable Power Charger Doctor 3.3V-18V 0-3A

It can measure the USB-powered devices empty and.Easy to use and practical.Compact and easy to carry, no additional power supply, plug and play.It can easily measure the output voltage of the USB port and the device operating current or load voltageDetect any USB charger such as PC USB, home charger, car charger.Wide range of applications, any phone, any electronic product, Easy to use.Suitable for factories, laboratories and personal use.

Voltage range: 3.3V-18VCurrent range: 0-3ADouble display: yesVoltage display: redCurrent display: blueSize: 52mm x 34mm x12mmWeight: 16gShell color: blue/black