Product description The Solar Deck Post Lights for 4x4 Vinyl Posts and 4x4 5x5 6x6 Wooden Posts by Siedinlar are the durable, safe choice. They are the perfect way to top off a fence or deck and at the same time enhance the value and beauty of your home and property while protecting the top of posts. Solar Powered * 2 Modes-WARM WHITE (3000 Kelvin)，COOL WHITE (6000 Kelvin) * They are fit for 4x4 vinyl posts and 4x4, 5x5, 6x6 inch wooden posts. * Our solar post cap lights are equipped with 4 different sizes of bases. * Solar fence post lights are very suitable for posts, fences, railings, mailboxes, pillars, docks, decks, etc.