Launch x431 v car scanner works on bluetooth/wifi, and its an android system, is a new car malfunction diagnostic device developed by launch tech for internet application. x-431 v completely substitutes x431 iv and x431 diagun iii. it passes on launch advantages in car fault diagnostic technology, such as vast car model coverage, powerful test function, special function n accurate tast data, etc., x-431 v achieves the full car model and full system fault diagnosis through the bluetoooth communication between dbscar connector n intelligent mobile terminal. x-431 v taking the advantage of mobile internet, can share maintenance data n case library, provide instant maintenance information, and build public and private maintenance social circle,