Description

This 3 In 1 USB Charger Doctor Voltage Current Multimeter USB Detector is a versatile and essential tool for anyone who frequently uses USB devices. With its compact size and blue case, this USB tester is not only practical but also stylish. The 3 In 1 USB Charger allows you to easily monitor the voltage and current of your USB devices, ensuring they are operating within safe parameters.

Feature:

• 100% brand new and high quality
• Dual display USB current voltage battery capacity tester
• This is the mini USB meter. It can measure voltage, current, power and capacity.
• The working time and Capacity have Memory function when power off

• RTZ, Reset button, press it three seconds will Reset