Plastic White 5 X 5 Outdoor 5 LED 78Lumens Solar Post Cap Light Designed to fit on 5x5 Hollow Vinyl/PVC/Plastic or Solid Wood/Composite Posts One 5"x5" White Fence Post Cap Solar Light (instruction paper may indicate 6x6 due to sharing the same instruction paper but the base is for sure good for 5x5 PVC or wood posts) One Pre-Installed 3.2V 300mAh Lithium-Ion Battery Light source: 5 Ultra Bright White LEDs Operating Time: Up to 8 hours (depending on weather, temperature, regions and sunlight intensity available) Dimensions : 6.25" (L) X 6.25" (W) X 4.25" (H)