Link shows 3 models. (One is cheaper Model- only save $20 - $39.95)
Your choice between two different systems, each have color display and includes reflective film that you can use of needed.
One works off GPS the other of the cars computer. With latter you need to plug into OBDII port, but this provides different data to the GPS unit
GPS
GPS satellite tracking sends information including your driving speed straight to your device, which projects this important information onto your windshield, directly in your driving line of sight.
• Will work in any vehicle with a cigarette lighter socket.
• 5.5” colour display.
• Multi-colour design, allowing for easy reading.
• Displays important information, such as speed, direction, driving time, distance, real time,
satellite number and altitude.
• Auto power on and off.
• Automatic or manual brightness control
OBDII
• Plug and play connectivity with any OBDII or EUOBD capable vehicle.
• 5.5” high-definition display.
• Multi-colour design, allowing for easy reading.
• Rich content, such as speed, driving time, distance, real time,
speed alarm, fuel consumption, engine RPMs, water temperature and free
switching between kilometres and miles.
• Auto power on and off.
• Automatic and manual brightness control.
your car should be compatible if it's
Made in Australia after 1 January 2006
Made in USA after 1 January 1996
Made in the European Union (Petrol) after 1 January 2001
Made in the European Union (Diesel) after 1 January 2004
Made in Japan after 1 January 2007
Made in China (Petrol) after 1 January 2010
Made in China (Diesel) after 1 January 2011
Double check your info - At no point in the product description or peoples' review does it say that it works with 'direction'. If anything it pointedly avoids talking about that feature. Considering it is a static LED based display, you can't use Waze or other HUD apps to combine with either.