Code reader Features: It is a 9P male connector to connect with the diagnostic connector. Spiderman Widely used for OBDII Can Main Unit Screen: 128?4array high definition screen with back light for displaying all the information during testing.OBD-S600 can solve the problem of data stream diagnostic on some modules,full-range coverage based on advanced technology,OBD/EOBD,CAN BUS compliant Keyboard: Spiderman is a 6 button membrane keypad with tactile keys for selecting and controlling test steps. Connection 1.Find the diagnostic socket on the car. (The OBDII diagnostic socket is generally located under the dashboard on the driver side) 2.Connect one end of the test cable to the spiderman main unit, and the other end to diagnostic socket on the car. Tighten the screws. Display Revisement After entering the first interface, the screen contrast can be adjusted with keys. It gets brighter when L key is pressed; and darker when L key is pressed. Press [OK] key to enter into next menu after proper contrast adjustment. Spiderman can be used to diagnose all the vehicles with a OBD-II diagnostic socket, such as new Toyota, Lexus, Crown, Camry, Avalon, Previa, Chrysler, Dodge, Linclon and Benz, Ford, etc, to analyze troubles, quickly and to accurately find out the cause and location of troubles.