The Marine Grade Solar Taylorbrite LED Aluminum Dock Light is an industrial strength solar powered dock light. Also made from anodized aluminum for superior weather resistance in marine environments. IP68 waterproof design. Super bright LEDs lights. Powerful solar panel and changeable AAA (NiMH) batteries also provide all night illumination. Low-profile design also makes these lights perfect for docks and marina applications. Especially those needing to provide ambient pathway and dock lighting. Also added built-in reflector provides extra safety for passing. Easy, hassle-free mounting; no wires, no mess, no electrical cost.