StarTech.com USB-C Power Tester, Bi-Directional Voltage/Current Multimeter, 240W PD EPR, Digital OLED, Portable USB-C Cable/Port Power Meter Tester - Compact Bi-Directional USB-C Power Tester measures Voltage/Current/Wattage; Ideal for traveling IT Pros; Digital OLED display; 240W PD 3.1 EPR; 4.5V-50V/50mA-6.5A range; USB 10Gbps pass-thru w/DP Alt Mode; Test USB-C docking stations/cables/chargers: