UT658 DUAL Output USB Power Meter with USB-A and USB-C interface, USB Port Digital Meter for Voltage/Current/ Capacity/Energy/Resistance, Electric USB Voltage Safety Tester Voltmeter Amperemeter Charger: Capacity Meter Volt Current UT658 series USB tester is second-generation, for powers safty monitoring of chargers, mobile-powers supplies and other charging devices for 3C products. For testing output voltage, output current, output powers, capacity, loop equivalent resistance, and USB data transmission line voltage of the 3C product UT658 series USB tester is high precisions, reliability, stability, small size, convenient and flexible use, and can be widely used in factory verification, digital enthusiasts and engineers. Features: Type-A / Type-C interface The same screen display voltage, current, powers, capacity, etc. 10 sets of data storage Loop equivalent resistance measurement (1-480 ohm) Support fast charge protocol