Feature: 1. Built in smart charge recognition chip can automatically select the most suitable and safe charging current for your mobile phone and tablet. 2. Small size, can display USB charging or discharging voltage and current at the same time and on the same screen, alternately or single display capacity and power. 3. Made of high-quality materials, it is durable, wear-resistant, corrosion-resistant and can be used for a long time. 4. It can charge most mobile phones, mobile power supplies, tablet computers and other USB devices, as well as two mobile phones at the same time. 5. With data communication function and charging output voltage function, the performance is stable, safe and reliable, and can be used at ease. Specification: Condition: 100% New Item Type: USB Detector Material: ABS Model: YB26VA Test Current: 0-3A, Up to 10A Current Measurement Accuracy: 0.1% +/-3 Digit Working Current: