4 Adjustable Lighting Modes: APONUO solar post cap lights offer 4 versatile modes: warm white, cool white, RGB solid colors, and RGB gradient. To activate the gradient mode, simply press the button until the white light dims to its weakest level, then release—the 4x4 post solar lights will smoothly cycle through white, yellow, red, blue, green, purple, cyan, and indigo. You can also press and hold to lock in your favorite solid color for a personalized glow Warm & Cool White for Everyday Illumination: Beyond vibrant color options, these fence post solar lights provide two essential white light modes (warm white and cool white) perfect for daily use. Whether you need soft ambient lighting for relaxing evenings or bright, cool light for visibility, APONUO post lights solar powered deliver reliable illumination while enhancing your outdoor space Universal Fit for Multiple Post Sizes: Designed for versatility, these solar fence post lights measure 5.71 x 5.71 x 2.76 inches and come with mounting screws and three interchangeable bases. They fit standard 4x4 and 6x6 wooden posts (actual 3.5x3.5" and 5.5x5.5") as well as 4x4 and 5x5 vinyl posts. Easy installation ensures a snug fit on decks, fences, and garden posts Decorative Accent for Any Outdoor Setting: Transform your garden, patio, deck, fence, or walkway with APONUO 6x6 post cap solar lights. With eight vibrant color choices, they add a festive touch to everyday decor and are perfect for holiday celebrations like Halloween. The sleek transparent lens delivers pure, unfiltered brightness, making your outdoor space stand out day and night 360° Illumination & Durable Construction: These 4x4 solar post cap lights feature 360-degree lighting to evenly brighten your yard, driveway, sidewalk, or porch. Built with an IP65 waterproof rating, they withstand rain and dust, ensuring long-lasting performance. Powered entirely by solar energy, they automatically charge during the day and illuminate at night—no wiring required APONUO Solar Post Lights Outdoor Waterproof,RGB Color Changing 8 Color Modes Fixable Colors Deck Post Lights for Fence Post Caps 4x4 6x6 Wood,4x4 Vinyl Fence Post Solar Lights in Deck Decor