USB Current And Voltage Ammeter TesterV IBAT21545

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 port where you can check one device at a time or two devices combined.