Features: The USB Tester is multifunctional USB voltages and current meter, as well as quick charging triggers device for mobile communication terminals. It features a full-color, wide viewing angles LCD display and integrates multiple interfaces, including USB-A and Type C male and female connectors, ensuring broad compatibility. Utilizing external 16bit ADC chip, it offers high measurement accuracy. This device can measure the power supply or consumption of USB interfaces, phone charger, USB drive, and other products. It can also measure phone charging power, and the input and output conditions of power sources, and perform quick charging protocol testing for charger Specifications: Component:Metal Size:Approx.73x36x12mm/2.87x1.41x0.47inch Package Includes: 1pc USB Voltage 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.