StarTech.com USB-C Power Tester, Digital Multimeter, Bi-Directional Voltage and Current Meter, Up to 240W PD EPR, Portable USB-C Cable and Port Power Meter Tester. Testing type: Amperage, Voltage, Wattage, DC output voltage test: 4.5V-50V, Power connectors supported: USB Type-C. Width: 57 mm, Depth: 23 mm, Height: 10 mm. Package width: 80 mm, Package depth: 84 mm, Package height: 15 mm. Master (outer) case width: 430 mm, Master (outer) case length: 180 mm, Master (outer) case height: 270 mm