Usage Tips:Brand It is used on standard OBD2 DLC for scantool such as ELM327 bluetooth as an extension adaptor. It helps to relocate the scantool if ELM327 bluetooth hinders during driving if the DLC is close to knee or feet of the driver. It can extend the life of the car DLC and ELM327 bluetooth if user needs to plug and unplug frequently. It helps to get stronger signal by relocating the ELM327 bluetooth if ELM327 bluetooth signal is not clear when the DLC is far beneath the stearing wheel. Ultra low profile design for hard to reach spots Supports all standard passenger vehicle OBD 2 protocols 1x Male 16 pin J-1962 to 2x Female 16 pin J-1962 Direct pass through on pins 1, 2, 4, 5, 6, 7, 10, 14, 15, 16 perfect for use with GPS s for the most discrete installations Length: Approx. 1 Feet/30cm colour:black Material:ABS Package Contents: 1 x 16Pin Male to dual Female Cable Only the above package content, other products are not included. Note: Light shooting 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.