RioRand X6 3'' Universal Multi-Function Vehicle-Mounted Heads up Windshield Display Compatible with All OBD2 System Model Cars Compatible with OBDII, EOBD system OND2 agreement cars, not compatible with truck, America and Europe cars after 2004 year, Asia cars after 2007 year 3 Inch LCD display is portable and easy for drivers to read data, detect all important driving information's via the OBD 2 system KMH and MPH switch freely, Normal 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 The use of Nano-technology to eliminate unwanted reflections and can make display information more sharper. Automatic and manual brightness adjustment mode, driving without glare