LIGHTING SPECIFICATIONS: 1 piece color changing LED in each solar street light with attractive crackle glass design, it makes your home unique. All street lights are made from high efficiency solar panels and high quality crystal glass. POWER SOURCE: This solar post cap light works by using a solar panel to generate power from sunlight, converting it into an electric current that charges the internal rechargeable batteries. These batteries then power the post cap solar light. DIMENSION: 5.1 L x 5.1 W x 5.7 H good for 5 x 5 inch deck posts, railing posts or porch posts. Post lights add style to your wood, vinyl or composite deck posts. EASY INSTALLATION: Remove the insulation sheet under each solar patio light post and drill two holes to screw it to the 5*5 wood or vinyl fence post. Please put this floor lamp directly under the sunlight to charge it.