How to use:Plug in cable to computer / laptop Install cable drivers (provided on CD) Make any additional settings which your diagnostic software suggests Set the switch on the -COM to diagnose the desired ECU Plug cable into cars OBD connector,Connect using the diagnostic software product Drivers for: XP, 98, ME, 2000, Vista + 7 Cable used to include a 4 way to switch to different ECUs access: Position 1 = engine ECU (read / clear engine failure) Position 2 = ECU (read/remove failure) Position 3 ECU = ABS (read / erase fault code) Position 4 = ESP ECU (read / clear fixed fault) The product appearance and printed words depending on the batch, but this does not affect use. Colour:As Shown Material:PCB Package Contents: 1 * + ft ecu scanning tool with accessories 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.