Klein ET900 USB Digital Meter, 3 to 20 VDC, 0.05 to 3 A, 400 Ohm, LCD Display

Klein USB Digital Meter, 3 to 20 VDC, 0.05 to 3 A, 400 Ohm, LCD, USB-A Interface, 2.84 in L x 1.25 in W x 0.565 in H, IP20, Polymer

The Klein Tools ET900 is a USB digital meter for common standard USB-A (type A) ports including Qualcomm Quick Charge ports. It accurately and reliably measures and displays the USB port voltage, current, capacity, energy and resistance simultaneously. It can function with any USB-A port that has the ability to deliver power. It requires NO batteries as it draws power from the power source to function.