These solar lights are a welcome addition to any dock, deck, landing, or walkway. Easily installed with no wiring, these lights automatically come on at dusk. Weatherproof and durable with a low-profile design that can withstand moderate traffic. Up to 8 hrs. of illumination with good sunlight exposure. 5-lumen output. Mounting hardware not included. Each light measures 4-5/16"L x 4"W x 13/16"H. Two lights per pack.