Unlike other solar fountains that only run when the sun is shining, these new fountains with revolutionary Solar-on-Demand technology work when you want them to. The solar panel on this 2-Tier Solar Fountain Bird Bath in Weather Resistant Fiberglass Resin stores energy so you can run it when it's cloudy or even at night. We're very excited to be the only ones to offer you this fantastic product, and we hope you'll love it as much as we do. 2-Tier Solar Fountain Bird Bath in Weather Resistant Fiberglass Resin Available with standard solar or Solar-on-Demand technology Solar-on-Demand stores energy longer, sold here exclusively! Weather-resistant, maintenance-free resin and fiberglass 1-year warranty International Shipping Canada Light No Location Outdoor Material Resin & Fiberglass Material Type Resin Concrete Style Tiered Pedestal Column Bird Bath Type Solar Floor Usage Residential Water Sound Low Dimensions: 20W x 32H inches Solar Height: 32 (in.) Weight: 23lbs.