4x4 Solar Post Cap Lights Outdoor 16Pack- 3 Color Temperatures&2 Level Brightness, IP65 Waterproof, 16 LED Fence Deck Post Light Solar Powered Only for 4×4/3.5×3.5 Wood/Vinyl Posts(Brown)

Important Designed ONLY for 4x4 & 3.5 x 3.5 PostsThis solar post cap light is crafted to fit 4x4 inch and 3.5 x 3.5 inch wood or vinyl post caps. It does NOT fit any other sizes including posts smaller than 3.5" or larger than 4.0".
Quick check: If your post is not exactly 3.5" or 4.0", this solar post light will NOT fit verify your post dimensions before purchase. 3 Color Temperatures One Light, Any MoodPick from Soft Warm White, Cool White, or Natural Daylight with a simple switch. No more settling for a single harsh tonematch your lighting to cozy evenings, modern curb appeal, or bright security needs, all from one fixture. 2 Brightness Levels Smarter Solar RuntimeNo more "all or nothing" lighting. Switch between 100% brightness for maximum illumination and 50% brightness for extended runtimeperfect for keeping your solar post lights glowing longer through the night. The lower setting reduces energy draw, helping the solar battery last until dawn while softening glare for a more comfortable ambiance. Energy Saving & DurabilityThese deck post lights feature highly efficient monocrystalline silicon solar panels with an energy conversion rate of up to 22%. Zero electricity costs, reduced carbon footprint, and IP65 waterproof ratingreliable, maintenance-free performance through rain, snow, and humidity. Easy InstallationSimply select your preferred light mode, nail the base onto the post, and screw the light into place.

There is no wiring or complicated setup required.
(Note: When installing on a 4x4 post, first remove the built-in 3.5 x 3.5 adapter from the base. )