USB power detector and meter set USB power detector: compact design, easy to use, and simple to operate for quick USB power checks. USB voltmeter: features a dedicated button for voltage correction to ensure reading accuracy. USB voltage monitor: a professional and practical current and voltage meter for USB systems. Power tester: crafted with quality workmanship, durable and reliable for everyday use. Benefits and capabilities Read and verify USB power parameters quickly to protect devices and ensure proper operation. Simple, intuitive operation minimizes the learning curve and accelerates troubleshooting. Compact, portable form factor suited for desktop, workshop, or field use. Combines current and voltage measurement in one device for a complete view of the USB power path. Built to deliver consistent performance with sturdy construction. 23 practical use scenarios Scenario 1: Check a USB wall charger or power bank to confirm the output voltage and current under typical load conditions. Scenario 2: Diagnose charging issues by measuring the actual voltage supplied to a USB device during charging. Scenario 3: Verify power delivery and electrical characteristics in USBpowered projects or assemblies during testing or QC.