USB Current Voltage ammeter Tester

Description

This is USB Detector Current Voltage Tester. A very useful device for USB port checking and charger use it, you can check if the USB port is active or if a battery of the external device is a charge or if the current is not exceeding limits. It comes with a bright LED Segment display.
This tester has one input and two output ports where you can check one device at a time or two devices combined. This product is known as 0.28inch 0-100V Three Wire DC Voltmeter Red, 3 Wire LED Voltmeter, Ammeter, Charger Doctor, DC Voltmeter, Doctor, LED Display, Red LED Display, Three Wire DC Voltmeter Red, USB Charger, USB Charger Doctor, Voltmeter, Voltmeter.