Relife XA3 Pro USB Intelligent Detector is a USB Voltage and current detection meter and mobile communication terminal fast charging trigger instrument with high reliability and safety. It has 1.77 TFT LCD display screen and integrated USB-A Micro-USB and Type –C interfaces. Using 16-bit adc pd protocol physical chip it can be used to measure the power supply or power communication of USB interface. It can be used to test the fast charging protocol of charger.