This Trouble Code Reader is for real-time automotive diagnosis on VW, AUDI, Skoda and Seat cars. By simply plugging it into your vehicles diagnostic socket, you will be able to read trouble codes related to the "Check Engine Light", ABS and AIRBAG systems, identify the code by consulting the manual. It will also Erase or Reset the Check Engine light. These functions are performed automatically when you plug the reader into your vehicle. Features Reading & Erasing of trouble codes Displays over 700 possible error codes Built-in Extension Cable & User Manual with Code Descriptions Small & portable, easy to use No PC or additional parts required to operate No battery needed, Power is directly supplied by the diagnostic socket Compatible Vehicles This scanner works on all VW, Audi, Seat & Skoda vehicles with a 16 pin OBD2 diagnostic plug except CAN BUS vehicles. note :this scanner does not work on CAN BUS vehicles. Specifications 16-pin OBDII Standard Socket Scanner Dimensions: 6cm(L)*4cm(W)*2cm(H) Operation Temperature: -10℃-40℃ Display: 4-digit LED Package Contains 1 x Scanner with build-in extension cable User's manual with error codes and descriptions 1.PayPal only(accept credit card to pay by credit card via paypal). 2.usually items will be shipped the same day as payment received. 3.Express Mail  or standard air mail shipping, please allow about 5-25 days for shipping time. 4.We do offer combined shipping.                                                     Refunds: The full purchase price less the Shipping & Handling will be refunded upon return of the item. if shipping was free, The refund will be the full purchase price less the shipping cost. the item must be returned undamaged in the original packaging.           Faulty items: If your item arrives faulty, we will exchange it for a replacement. if you prefer a refund. the full purchase price less the Shipping & Handling will be refunded upon its return. if shipping was free, the refund will be the full purchase price less the shipping cost.           We make every attempt to answer your technical questions. we provide full documentation & troubleshooting for most of our items. we also can refer you to a seller who will sell the same or similar products with tech support.