John, I guess I'll find out today. I did have the unit out a week ago in the car driving to the airport. I cancelled my flight but played with the display on the drive home (had my wife drive). I never had an issue with seeing it but will try to evaluate it under more difficult conditions. It is just this display: https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1

I drive it with a Teensy 4 which has enough memory that I can buffer the display to eliminate flicker.