M7 Head-Up Display LED Color Screen HUD GPS Speed OBD2 Fault Code Elimination Car Diagnostic Tool black_M7

Description

--Colorful LED screen highlights the non-destructive installation and plug-and-play for all models. --Integrative design of display and shading with self-shield, which makes the display clearer and less dazzling. --The abundant data show that the mileage switching of satellite automatic switch can detect and clear the automobile error diagnosis code without professional equipment elimination. --Over-speed voltage is too low, water temperature is too high, there will be beep alarm sound.