Everything is there from the factory. Here is a summary of features from Hudway:

"HUDWAY Glass is a neat lightweight phone mount designed to make a smartphone operate as a head-up display. 

Its tinted plastic lens has mirror coating for crisp easy-to-grasp reflection.

This way, you can see both the road ahead — and directions reflected on the lens in front of your eyes."

Thanks for looking and let me know if you have any questions.