Car P9 HUD Head Up Display OBD Smart Digital Meter 2 Display Way Over Speed Warning Alarm Water Temperature Voltage Compatible with OBDII EOBD System Model Cars

Features:
Multi-color design makes the screen more abundant and easier to read.
The use of nano-technology to eliminate unwanted reflections and can make display information more sharper.
Display rich content: driving speed, RPM engine speed, driving distance, voltage, fuel consumption, water temperature and driving time.
This new version with 2 display ways: read directly from the unit; switch to HUD mode, read from windshield. 2 display way, free switch.
Auto power on and off with vehicle started and shutdown, effective protection of the car battery; while retaining the manual switch mode, and more easy to control HUD.