The Extra Large Solar Post Cap Lights, Or Pillar Lights, Size: 30CM X 30CM Or 11.8In X 11.8In, Are Solar Powered Outdoor Post Cap Lights Or Lantern (Brown) They are already assembled, and ready to use. No wiring is required for the solar light post caps or solar post lights. It absorbs solar energy It absorbs solar energy with a contemporary looking solar panel, and turn on the light at night. The Size is 11.8 In X 11.8 In (30CM X 30CM), and 9.8 In Tall. The extra large solar post cap lights are beautifully designed post caps. They are made of metal. Black Metal and brown Metal with contemporary looking solar panels. Long lasting LEDs