Features: The Charging USB Tester ensures safe and efficient charging by providing real time monitoring of current and voltages, making it essential tool for maintaining device health. Featuring a LCD display for precise data reading, this device is crafted from durability ABS material for long last use. Suitable for electronics enthusiasts, technicians, and users who frequently need to monitors charging , ensuring peace mind during every charge cycle. Perfect for use at homes, in office, or while traveling, this portability designs allows you to easily carry it anywhere and keep trackings of your devices charging condition to prevent overcharging damage. With its user friendly interfaces and reliable performances, the Charging USB Tester is a tool for anyone look to optimizes their devices charging efficiency and longevities. Specifications: Component:ABS Size:Approx.58x20.8x10.7mm/2.28x0.82x0.42inch Voltages:4-30V Current:0-12A Power：0-360W Package Includes: 1pc USB Tester note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.