Product Description The Geniscan GS100 OBD2 (EOBD) Code Reader. FUNCTIONS:- Back-lit 2 line Display - Display unit dimensions: 3 inch x 4 inch x 1 inch - 24 inch (61 cm) built-in Extention Cord. - Port: 16-pin OBDII Standard Socket - No batteries needed. Power is directly supplied by the diagnostic socket. - Plug & Play, easy to use. - Stand alone, needs no laptop or additional parts to operate. Functions The Geniscan Trouble Code Reader is a scanner for real-time automotive diagnosis based on the OBD 2 protocol. It offers many years of reliable use with its robust housing and solid construction. By simply plugging it into your vehicles diagnostic socket, you will be able to read all trouble codes related to the "Check Engine Light" and identify the code by consulting the included manual. It will also Erase or Reset the trouble light. - Reading and erasing of trouble codes (stops the CHECK ENGINE light) - Identifies Multiple Codes, Pending Codes, Generic and Manufacturer Codes. - Displays over 700 possible error codes . PACKAGE CONTAINS:- - Scanner with built in Extension Cable and User Manual with Code Descriptions. Workable Model:- - Works on any Universal OBD2 or EOBD Vehicle. - Supports ISO, VPW and PWM bus systems (no can bus support) - U.S. Models - European - Japanese - Asian - German - Korean... - For VW, Audi, Mercedes, Seat and Skoda vehicles, GS200 is recommended - Not compatible with most BMW, Volvo & Subaru. Instructions:- please refer to the included Manual GS100.