Features 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 4‑30V and 0‑6.5A. 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 Tester Model: KWS-11VA Material: PC Current: 0-6.5A Package List 1 x USB Power Tester