16pin full power adapter, suitable for OBD2 car tester, extension plug of trip computer, suitable for all obd2 equipment, extended function. Function:Reduce the loss of the OBD2 interface of the your car, suitable for the test of the car factory, and reduce the loss of the test main line and socket. for car factory testing, reduce the loss of the test main line and socket. for OBD2 Car Tester Adapter. Note:Installation guide not included, we strongly recommend you professional installation. Please check as much as possible to make sure the item is what you need. Tips: The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use Due to different batches, there are slight differences between the actual product and the picture, which not affect normal use Color: As Shown Material: plastic Package Contents: 1 x OBD2 16Pin Plug 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.