Features: Discover the efficiency in power management with the U3 USB Voltage and Current Tester, featuring advanced QC5 detection for accurate monitoring of your devices' charging status. Equipped with a 1.77inch color LCD screen, this tester boasts language support and capacity efficiency calculations, ensuring a comprehensive analysis of your electronic accessories. Suitable for enthusiasts, gadget users, and professionals alike, the U3 tester is tool for anyone on maintaining performances of their portable devices. Whether you're home, in office, or on the go, the U3 USB Tester is for checking the actual battery capacity and ensuring your charger and cables are functioning correctly. 8MHz Ripples sampling and spectrum analysis, can lock 6 frequency point at the same time Specifications: Component:Metal Color:Gray/Redness/Black Working voltage: 4-24V Current: 0-6A Voltage resolution: 0.00001V v. Current resolution: 0.00001A Spectrum analysis: 6 frequency point Size:Approx.56x39mm/2.2x1.53inch Package Includes: 1Pc USB Tester note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.