Designed for elegance and functionality, this solar post cap light features a striking double layer construction with a modern square silhouette in a black finish and clear panels that house powerful LEDs. The dual layer design enhances the contemporary look while improving light dispersion, creating a sophisticated glow that illuminates your space. By day, the built in solar panel charges in sunlight; by night, it becomes a glowing centerpiece that provides bright, even illumination for your deck, fence posts, or garden. brightness with two light color modes: 32 performance LEDs provide brilliant light, switchable between warm white and cool white. A built in photocell automatically turns the light on at dusk and off at dawn. Post size compatibility: fits over actual 4x4 or 3.5x3.5 posts (3.5x3.5 adaptor included). Ideal for illuminating fences, decks, and mailboxes, making it a versatile and stylish addition to outdoor spaces. Durable and weather resistant: constructed from durable ABS material with an IP44 waterproof rating, ensuring reliable performance in varying weather conditions, including rain, snow, frost, and sleet. Use scenarios: Line the perimeter of a deck by placing the cap lights on each post to create ambient evening lighting for outdoor entertaining. Illuminate a fence line to improve visibility and add a consistent, modern aesthetic along pathways or driveways. Mark a mailbox post for safer night access and enhanced curb appeal.