CORE LED ROADFLARE (EA)

Used it on a dark stretch of interstate after a blowout and could see the flare blinking clear as day from way back. The 9 functions are handy too, but the waterproofing is the real winner since mine got drenched in a downpour and never blinked out.

The magnetic back is incredibly strong — it held firmly to my car door while I was changing a tire on the shoulder. I tested all nine functions the first night, and the strobe pattern was visible from way down the block.

Tossed this in my trunk for emergencies and the magnetic back is a lifesaver—stuck it right on the tailgate while changing a tire at dusk. The nine light modes give plenty of options, and at a mile of visibility, drivers slowed down way earlier than I expected. Batteries came included, so it worked