L810 50cd Intensity LED Obstruction Lights from Dialight are used to mark any obstacle that may present hazards to aircraft navigation. The unique optically designed lens that enhances LED operation and provides 360-degree visibility is housed in a weather/ corrosion resistant lamp assembly. Using state-of-the-art high-flux LED technology, the L810 50cd LED obstruction lights lasts years longer than an incandescent obstruction light.