Add a glow to your outdoor deck, yard, or staircase with the Better Homes & Gardens Solar Beckon Post Cap LED Light, Brown Finish, 10 Lumens (4-Pack) This solar cap light can be mounted to posts, railing and to provide illumination for decoration purposes, safety and security. This LED Post Cap Set was designed to fit on a standard 4 x 4 wood fence or deck post and provides 10 lumens of warm white LED glow. Better Homes & Gardens Solar Beckon Post Cap LED Light, Brown Finish, 10 Lumens (4-Pack) is powered by the sun. For optimal performance- place in direct sunlight (or as close as possible) for all-night illumination.