Features: In the process of using decoders, error can be found and diagnosed OBD connector linkings. You can monitor the OBD interfaces voltage and ground, showed low voltage. Display diagnostic stitching error. Jump for OBD interfaces signals. Signal lines such as decoders of 7 to 15 vehicles online. Rapid detection of OBD2 diagnostic connector whether every stitches of the normal communication. Replace the battery, save car data function. When replace the battery, plug OBD2 connector into car, at the same time connect additional power to the control box, so that ensure vehicle data is not losting. Specifications: Material:ABS This OBDII Protocol Detector & Break Out Box has wide ranges of applications in diagnostics, key programming and chip tuning: To monitor data steaming while performing test on vehicle using a Scantool. This makes it possible for you to both execute a test and simultaneously monitor the testing process. Display testing voltage on the car or truck Display communicating pin number Is an extension of OBD Diagnostic Linkings Connector Type:Gen1,Gens2 Note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1Set OBDII Breakouts Testing Box