1.Better electrical conductivity:inside 16 brass wires provide better electrical conductivity 2.Long service life:inside brass wires insures your cable high quality and long service life 3.Wide-range use:with 16pins available to connected, makes it possible to works for a wide range of OBD2 compatible devices 4.Multitask and high-efficiency:OBD2 Male to dual female design, makes it possible to run 2 diagnostic devices in one car. 5.Cable length: 30CM colour: black Material: ABS Package Contents: 1 x OBD2 Extension Cable Note: When two devices work at the same time, only one device can read data from the vehicle. Only the above package content, other products are not included. Note: Light 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.