Experience the ultimate in charging diagnostics with our Professional USB Tester featuring a color screen and LED display. This versatile tool is essential for anyone looking to optimize their device charging and ensure the longevity of their digital products. MULTIPURPOSE: This USB tester is designed to test the actual charging voltage and current of cell phones and various digital products. It provides detailed insights into charging capacity and time, all displayed on a single screen. Compatible with super flash charging up to 120W, it is perfect for high-speed charging needs. SUPERIOR PERFORMANCE: Equipped with an accuracy bandgap reference, this tester offers a precise range and high accuracy. Its stable and reliable performance, coupled with strong anti-interference capabilities, ensures you get the most accurate readings every time. APPLICATION SCOPE: Ideal for measuring the working voltage and current of no-load power supply equipment, voltage load, and USB terminal equipment. This tester is suitable for use in factories, laboratories, and by individual users, making it a versatile tool for various applications. REAL TIME DISPLAY: Monitor your USB power status in real time with ease. The tester provides a clear display of voltage, current, capacity, and other critical indicators, allowing you to see at a glance whether the output voltage and current meet your target specifications. PORTABLE SIZE, PLUG AND PLAY: Designed with a compact structure, this USB tester is easy to carry and requires no additional power supply or ancillary equipment. Simply plug and play to start analyzing your charging systems immediately. Optimize your charging processes and ensure the safety and efficiency of your devices with our Professional USB Tester. Whether you're a tech enthusiast, a professional in a lab, or just someone who wants to ensure their devices are charging correctly, this tool is an indispensable addition to your toolkit.