FXLuminaire® DLLED20W18RCU Standard Premium Series 18" Copper LED DL Path Light 20W, 2700K. The DL was introduced over ten years ago as a breath of fresh air to a market in need of innovation. Over the years, the DL has continuously evolved to maintain its title as unsurpassed in the path lighting category. The use of precious metals creates a sophisticated richness and elegance that enhances, but never dominates, the garden scene.