Two Color Modes & Unique Design: NIORSUN solar fence post lights feature two lighting modes (cool white & warm white), allowing you to easily switch between them to suit your preferences. These solar post lights blend stylish details with sleek, modern lines, and their decorative, textured clear housing complements a wide range of outdoor lighting styles and garden decor. Our solar post cap lights will provide your outdoor space with a lasting and beautiful lighting effect Applicable Size & Easy Installation: NIORSUN solar post cap lights come with different base sizes, making them compatible with standard 3.5x3.5, 4x4, 5x5, 5.5x5.5 wooden or vinyl posts. These solar deck post lights are easy to install with no wiring required. Simply attach the fence post solar lights to your fence post using the included mounting screws