This LED light flashes automatically when wired into a directional light. The lights come in pairs and have an arrow shape. Each light contains 8 super bright amber LED lights which are encased in a chrome ABS housing with a clear lens. This light is heatproof, waterproof and durable. They also include backing tape for a secure fit. Ideal for the mirror fronts or any flat surface on the bike, trike or trailer. The lights have a two-wire function for either brake, running or turn signal. Measures 2 1/4 “ at it widest point by 1 ½”. Sold in pairs.