Classy Caps 4 x 4 White Aluminum Imperial Solar Post Cap (Pack of 2) Brand_Planters Unlike other plant protein powder Unlike other plant protein powder that are a struggle to choke down Max Folder Expansion: 2" Its rugged cast aluminum construction with powder coated finish means no future painting Quickly and easily install these caps in a few easy steps: 1) Twist the solar lid counter clockwise to remove from cap base 2) Turn the auto off switch to auto and twist the lid back into place 3) Remove the adapter if necessary and place fixture onto post 4) Optional: Apply any outdoor silicone to the bottom inside edge of cap before installation for added security 5) Press firmly down on the four corners of the fixture to secure cap to post 6) Allow 5 days for your light to cycle to full capacity