1、OBD Connector Error Detection: In the process of using decoder OBD2 breakout box, error can be found and diagnosed OBD connector link. You can monitor the OBD interface voltage and ground, showed low voltage. Display diagnostic stitching error from the OBD detector breakout box. 2、Diagnosing OBD Signal Transmission: Jump for OBD Interface Signals. Signal lines such as decoder of 7 to 15 vehicles online. Rapid detection of OBD2 diagnostic connector whether every stitch of the normal communication. This OBD2 detector breakout box is a self OBD diagnostic tool for OBD signal transfer. 3、Terminal Quick Switch: You can also quickly switch between different terminals of your vehicle's OBD socket when using beta software/hardware. All test points covered. Allows monitoring of any OBD2 diagnostic systems. Quickly switch data points without soldering. Ideal for checking vehicle's diagnostic status. 4、Dimensions: Male cable length approx. 45cm/17.72in, female cable length approx. 44cm/17.32in, line length approx. 56.5cm/22.24in, breakout box size approx. 15x8x3.5cm/5.9x3.15x1.38in. 5、Long Durability: Use high?quality ABS and rubber materials, wear?resistant and waterproof. Stable performance, quick judgment of car OBD signal reception, universal car diagnostic testing tool.