THIS IS JUST A CABLE ADAPTER. IT IS NOT A SCANNER AND YOU CAN NOT PLUG IT DIRECTLY INTO YOUR LAPTOP. YOU NEED TO BY AN OBD2 SCANNER TOOL. THIS LISTING DOES NOT INCLUDE THE SCANNER TOOL. 16 Pin OBD-II male plug to 9 Pin DB9 serial RS232 female socket. 16-pin male connect to car. 9-pin DB9 female connect to your diagnostic interface. Length: Approx. 110cm/3.6ft Specification: Connection: OBDII 16 PIN(Male)--------- DB9PIN (Female) (J2850 BUS+) 2----------------------------7 (Chassis Ground) 4--------------------------1+2 (Signal Ground) 5----------------------------1+2 (CAN High J-2284) 6-----------------------3 (ISO 9141-2 K Line) 7---------------------4 (J2850 BUS- ) 10--------------------------6 (CAN Low J-2284) 14---------------------5 (ISO 9141-2 L Line) 15--------------------8 (Battery Power) 16-------------------------9 Package Includes: 1 Piece OBD2 Cable Adapter