1. Compact structure design, Very convenient for daily carrying and use outside. 2. It consists of a white plastic shell, a PCB circuit board and four hexagonal screws, and uses a CR2032 button battery as a power source. This modular design greatly improves the efficiency of battery replacement and extends service life. 3. You can clearly see the 12 independent LED indicator lights on one side and the corresponding pin information. 4. It is very easy to check the continuity and speed of the data line. It can distinguish between USB2.0 and 3.0 and provide a detection function for the welding of DIY data lines. Continuity detection. Description Double-ended Type-C Fast Charger Detection Board for pin continuity detection. Equipped with dual USB-C interfaces and a CR2032 button battery power supply system, realizing a portable detection solution without an external power supply. Supports full pin (24 pins) continuity detection, and accurately displays the connectivity status of each pin through 12 independent LED indicators (single-sided 12 pin detection), which can quickly locate the failed pins of abnormal cables. Color: Black Material: plastic Package Contents: 1 * Fast Charging Cable Inspection Board 1 * Adapter (Random color) 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.