This solar-power fountain floats on the water and pumps water in a few seconds in the sun(enough sunshine). No need to change the battery and no wiring required. It can be widely used in gardens, birdbaths, small ponds, water circulation for oxygen, etc. Specifications: Solar panel: 5.5V/3.5W Polycrystalline solar panel (7.7") Brushless pump input: DC 5-12V Battery Capacity: 500MA Battery working time: 3-4 hours Battery charging time: 2-3 hours Rated Current: 636MA Jet height: 30-60cm Solar panel diameter: 195mm / 7.7" Package size: 210 * 210 * 43mm / 8.3 * 8.3 * 1.7inch Package weight: 310g / 10.9oz Note: 1. Working power of the solar panel will be influenced by weather, location, etc. 2. Don’t make the pump work without water for a long time, or its lifespan will be shortened. 3. Clean the pump regularly. If it’s a duty, it will stop working. 4. The packing contains small parts so please keep them away from children and pets.(danger of suffocation) Packing List: 1 * Solar-powered