LED Aluminum Dock LightThe Marine Grade Solar Deck Lite is an industrial strength solar powered dock light made from anodized aluminum for superior weather resistance in marine environments. IP68 waterproof design. Super bright LEDs, powerful solar panel and changeable AAA (NiMH) batteries provide all night illumination. Low-profile design makes these lights perfect for docks and marina applications needing to provide ambient pathway and dock lighting. Added built-in reflector provides extra safety for passing boaters and makes them ideal for marking swim rafts. Easy hassle-free mounting, no wires, no mess, no electrical cost.Dimensions:4-1/8" x 4-1/8"Approx. 7/8" Tall