Deckorators 4 in. x 4 in. Traditional Solar VersaCap, White adds a classic touch of style to any deck, dock, or patio. Designed to work with most leading post sleeves made of wood, vinyl, or composite, this versatile solar cap light measures 4 inches by 4 inches and includes bracket inserts to fit railing posts ranging from 3-1/2 inches to 4-5/8 inches thick. Powered by solar energy, it provides an eco-friendly lighting solution without the need for electricity. The LED bulbs inside an impressive lifespan of up to 10 years with typical daily use of 6 to 8 hours, while the rechargeable battery lasts about one year. For optimal performance, replace the battery with a rechargeable one to avoid damaging the solar collector in the cap. Model Number: 141771