The Amber Beacon Revolving Light is used to warn other motorists of your presence and is ideal for trailer towing, plowing, utility hauling, and transporting wide loads. Offers a 12 ft. coiled power cord with a 12-volt DC plug for easy installation. Heavy duty magnetic base provides a secure attachment to any surface. The light features a weatherproof, corrosion-resistant housing and lens that is constructed from durable acrylic and withstands extreme weather. Includes a replacement bulb.