Specification: Solar Battery: 7V/1.4W Pump Power: 7V/.4W Max Pump Stroke : 100 cm Max pump flow: 160L / hour Max water level: 30 - 50cm Lifetime:> 10000 hours Installation: 1. Before first use, please remove the plastic film. 2. Place the pump completely in the water with the nozzle above the water. Make sure the pump is firmly fixed on the bottom of the water to avoid vibration. 3. Place the solar module under sufficient sunlight and look directly at the sun. 4. Take out the plug (the head part) first and run the pump for a few seconds to let the air out of the pump; 5. Then place the plug to see if it could work well. Note: 1. Be sure to fill the water, always keep the pump below the water surface. 2. Change the water regularly to keep it clean so that the pump is not clogged with dirt. 3. Protect the solar panel carefully to avoid damaging it. Delivery: 1 x Solar Fountain 4 x Nozzles