Simulated Antique Copper Top Solar LED Light Post Tops - 4" x 4" Light up your bridge day and night with our Solar LED Post Caps. By day, these post caps add a charming touch to your bridge, porch, fence, or any outdoor area. By night, they enhance your bridge with lovely accent lightingwithout the hassles of wiring or electricity! Can be controlled with ON/OFF switch Two High Output LED lightbulbs plus reflective panel make the solar light four times brighter Two AA Ni-Cad Rechargable Batteries ensure longer lighting power up to 12 hrs of light Will fit on any 4" x 4" post only. The outside dimensions of a normal 4 x 4 measure 3 5/8 x 3 5/8" No Wires, No Electricity, & No Hassles! Use them on fences, decks & porches, along walkways and driveways, to highlight retaining walls, or anywhere else you need light! Easy to install and maintain Light up your deck or porch day and night By day, these post caps add a charming touch to your deck, porch, fence, or any outdoor area By night, they enhance your home with l