Klein Tools ET900 [KLE-ET900] USB Digital Meter, USB-A

The Klein Tools ET900 USB Digital Meter, USB-A 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 does not require batteries as it draws power from the port under test. The ET900 can store and recall up to 10 readings. This model is designed to monitor the health of USB delivery devices.