Arpenkin HUD X5 OBD2 3" Universal Multi-Function Vehicle-Mounted Heads up Display for Cars Windshield Compatible with OBD II EOBD System Model Cars [Important Notice]Read the instructions carefully please, The HUD X5 Compatible with OBDII, EOBD system and OND2 agreement cars, America and Europe cars after 2004 year, Asia cars after 2007 year, not compatible with truck. 3 Inch LCD display is portable and easy for drivers to read data, detect all important driving informations 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. If you want purchase HUD WithGPS, this link: https://www.amazon.com/dp/B078ZF2SC7