[MULTIPLE BASES]Our solar fence post cap 4x4 come in a variety of sizes to suit your needs.Suitable for 4x4/6x6 wooden post or 4x4 vinyl post. No need for complicated wires. All you have to do is tighten the screws ino the post to complete the installation [TWO COLOR MODES] Solar cap for deck post has two modes of light color, warm white/cool white, both are very bright.The appearance is matched with modern lines, showing a modern style.The decorative clear casing lines are a great complement to all different styles of Vinyl fence posts/Fence/backyard/dock/deck/a patio area