Our Klein Tools ET910 USB-A digital power meter tester provides precise monitoring of voltage, current, capacity, energy, and resistance for USB-A ports. Designed to test most standard USB-A connections, including Qualcomm Quick Charge ports, it features built-in test loads of 0.5A, 1A, 2A, and 3A, eliminating the need for external loads. With the ability to continuously monitor up to 1000 hours, this compact and durable USB-powered meter ensures reliable performance for professional and home electrical testing, with a clear LCD display for easy readings. Key Features Measures voltage: 3 to 20V DC Measures current: 0.05 to 3A (monitoring mode) Built-in test loads: 0.5A, 1A, 2A, 3A Continuously monitors up to 1000 hours Tests standard USB-A ports, including Qualcomm Quick Charge USB-powered with LCD display What’s Included USB Digital Meter and Tester, USB-A (Type A)