It is a USB tester with high reliability and security for detecting the USB voltage and current and a mobile communication terminal fast charge triggers. USB 2.0 interface, 1.44 inch TFT LCD high definition display with integrated USB-A, Micro-USB, Type-C interfaces, use external 16-bit ADC, PD protocol physical chip. Drive-free PC upgrade, PD E-Marker read, fast charge recognition, fast charge deception. PD protocol monitoring, PD protocol conversion, precision measurement. Data storage, intelligent recording of energy capacity detection.<br><br>One screen display, multiple interfaces compatible. Can be used for fast charge protocol detection, QC2.0 trigger, QC3.0 trigger, -FCP trigger, -SCP trigger, -AFC trigger, PD protocol trigger, and so on. Colour:black Material:CNC metal housing style:Non-Bluetooth Version<br><br>Package Contents: 1 * USB mobile phone DC charger tester<br><br>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.