LAUNCH CRP909X is a hand-held diagnostic tool specially designed for DIYers and mechanics to improve diagnostic and repair efficiency. You can comfortably perform Full systems Diagnoses, 15 service functions, full obd2 functions for more than 54 vehicle brands. Combined with the features of the 7-in large screen, Touch & Keypad Input, and 2+16GB memory spaces, this diagnostic tool allows you to get accurate and detailed diagnostic information conveniently.