[Multi Tool] The second generation UT658 series USB testers can inspect USB chargers, portable power supplies, data cables and other electronic charging devices. [Charging Protection] Monitor charging efficiency at any time to protect charging equipment. [Multi Function] UT658 measures output voltage, current, energy, capacity, equivalent circuit 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 excellent tools for applications such as production verification, engineering testing and DIY. Color: White Material: ABS Size: 13x6.5x2cm Package Contents: 2 x Tester USB Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.