Alpena 78312 strobe Postz - white loads 12 efficient, bright LEDs into a compact, pivoting case great for stealth installs. A powerful, pure white output is controlled by a multifunction power supply that adjusts strobing speed and patterns as well as toggles power. Each unit adheres to almost any surface with the included easy, peel-and-stick 3m foam tape. Compatible with almost any 12v system, strobe Postz is ideal for both safety and style.