1.The extension wire of OBD II connector adopts the technology of multithreading data connection, which makes the connection faster and smoother. The wire body is made of elastic thermoplastic TPU material, which is characterized by high elasticity, high strength and high resilience. 2.When the decoder communicates with the vehicle, all 16 OBD II pins can be easily connected. 3.The layout of the input jack completely simulates the 16 pin layout of the OBD II interface, so that more tests can be carried out quickly and visualized. 4.Quickly, safely and conveniently check signals of the vehicle. Color: Black Material: plastic Package Contents: 1 x Car diagnostic protocol test box 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.