Triple your visibility from the rear Install a set of red lenses or custom turn signals with red lenses, and you will now have 3 running lights and 3 brake lights Blip your turn signal switch and you maintain your turn signal function, while the other side remains a running light or, if you are braking, a brake light Comes with easy-to-follow instructions and wire connectors for all metric and European makes and models Will not fit BMW with integrated brake system