EASY TO ASSEMBLE: Complete with detailed instructions. Our fence post solar lights are compatible with 3.5x3.5 Wooden Posts (or any standard true size 3.5"x3.5" post cap). These solar garden lights can be done in a few minutes, comes with mounting kit, simply screw the solar cap lights into highest point on the railing WHITE PLASTIC SHELL SOLAR POST LIGHTS: 12 pack post cap lights powered by solar, each with 8 warm white SMD LED, they are the perfect decorative outdoor lighting and no electricity required. The solar panel supports long-term operations. Add a 360 degree viewing angle illuminate charming to your garden, decorate your fence, deck, porch or yard. Measurement- 4.92 x 4.92 x 2.4 inches SOLAR POWERED: This beautiful solar light is NOT electricity needed. Powered by solar, charged in full and direct sunlight for 6-8 hours. There is a tab at the back of the solar panel, please remove it before charging, so that this solar LED lights will automatically turn on at ni