ROAD GENIE Highway Safety Steady / flashing Light With Magnetic Back - 18 LED lights: FL250XXL-Y-S This Amber Light measures 6 1/2 x 4 x 1 1/2 inches overall, easy to store in almost any vehicle. Two Extra Strong 1" Magnets can be attached to any ferrous surface or be free standing anywhere! Double function 18 bright LED can be used either flashing or continuous - great for any vehicle. Uses 4 AA Batteries (not included) - last upto 24 hours - Use in autos, trucks, boats, motorcycles Weather resistant case, and Flocked cloth to prevents the magnet from scratching your vehicle