Feature:1. Wide Compatibility: Design to have standard USB interface, this USB tester works with various devices like smartphones, tablets, power banks, and more.2. Voltage and Current Measurement: Provides accurate readings to help monitor charging performance, and the testing range is 430V and 06.5A.3. Easy to Operate: Simply plug in the USB device for instant voltage and current display, plug and play, no drive required.4. Compact and Portable: Lightweight together with compact size design allows for easy carrying and use on the go.5. Durable Construction: Made of premium PC material, the USB current and volt tester is very durable for long tern, not likely to break.Specification:Item Type: USB Power TesterModel: KWS-11VAMaterial: PCVoltage: 4-30VCurrent: 0-6.5A.Package List:1 xUSB Power Tester