Garden Sun Light Solar 5 LED Post Cap Light for 6x6 PVC Posts w/ 5x5 Adapter (Antique Bronze) Base can fit either a 5.75" or 6.1" diameter post 5 bright LED bulbs provide a 78 lumens output 100% Solar powered no external wiring or tools necessary for installation (Batteries included) Includes a removable base Measures 5.9" x 5.9" x 4.3"