Small size, simple and practical tool that can detect USB's voltage and current.It doesn't need any external power, and plug and play. And it not only voltage and current detect, but also a USB hub. As a common USB detecter, It has large detection range, 3.2v to 10v Voltage and 0A to 3A current.
- Simple and practical
- Compact and convenient to carry
- No external power required
- Plug and play