USB Voltage/Current Detector

Description

USB voltage/voltage and current/intensity detector. Ideal for personal and/or laboratory use. Automatically powers on when connected to a USB port. Voltage (V) remains displayed for 4 seconds, then switches to current (A), remaining displayed for 9 seconds, alternating again between voltage and current for the same durations. Shipping to mainland Portugal (shipping included). I will respond immediately to any of your questions.