Radar Reflector Navigation Lights

Since I bought my boat I plan on installing navigation lights to navigate at night. But the price of the navigation lights and the structure of my boat I still had not found a solution that pleases me.
As I already had a radar reflector installed, I remembered that I could adapt a light to it and avoid drilling to install another lights supports.

To install the lights on the radar reflector it is necessary to take off the top of the reflector to glue the lights. You also need to drill a hol