[Multi Tool]The second generation UT658 series USB testers can inspect USB chargers, portable power sources, data cables and other electronics charging devices. [Charge Protection[Monitor charging efficiency at any time to protect charging equipment. [Multi Funnction]UT658 measures output voltage, current, energy, capacitance, circuit equivalent resistance, D + and D-voltage of USB data cable, and more. [High Performance]This series is designed to be accurate, reliable, stable, and portable. [Widely Application]They are great tools for applications such as production verification, engineering testing, and DIY. Colour: white Material: ABS Size: 13x6.5x2cm Package Contents: 5 * USB Tester Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.