The removable LED light inside is dimmable with the power control at the bottom of the cover The automatic light sensor activates at dusk when the UV luminance is lower than 3 LUX With 4 pieces of a-Si solar panels on the top, it lights up to 6-10 hours when fully charged Lights up to 6-10 hours if fully solar energy charged Stainless steel construction with a plastic base and additional stakes for durability and stability IP44 rated materials and chic style make it ideal for gardens, pathways, patios, decks and more