2 Pack Solar 4X4 Fence Post Cap Light with One LED Bulbs COPPER Garden Square Shape Cap Light

4x4 base adapters: Inside diameter of one side is 3.75" (good for wood/composite posts) and inside diameter of other side is 4 1/16" (good for PVC/Plastic/Vinyl posts) Solid/Hollow Measurement: H: 5.90 x W: 5.90 x D: 4.30; One Pre-Installed 1.2V 600mAh Ni-Cad Battery Light source; 1 Ultra Bright White LEDs Solar panel: New & Improved For Superior Charging; Material: Premium ABS Plastic