This LED light flashes automatically when wired into a directional light. The flexible housing allows for the light to conform to curved surfaces such as mirror backs. Each light contains 16 super bright amber LED lights which are encased in your choice of clear or black housings. This light is heatproof, waterproof and durable. They also include 3M backing tape for a secure fit. Ideal for the mirror backs of the GL1200 or GL1500 or any other application such as side marker lights. The lights have a two-wire function for either brake, running or turn signal. Measures 5 inches in length, 1 inches wide. Sold in pairs