It is a Type-C Color Multifunction/USB Tester/PD charge power. Function: screen flip, data storage, fast charge identification, energy capacity detection, temperature measurement, screen off function, precision measurement, wide voltage and low internal resistance. With type-c interface, the tester can be used to test quality for type-c 3C digital products like laptop, mobile phone, power bank, charger, car charger, USB cable and electronic load.