The solar pump is powered by solar panel. No external power needed, easy to install and environmental-friendly. Starts working in 3 seconds once exposed to sufficient sunlight. And the nozzle can produce 2 different jet shapes, which will increase your sight enjoyment.Great for all kinds of outdoor fountains, water features, ponds, streams, waterfalls, hydroponics, aquaponics, greenhouses, rainwater collection, animal troughs, natural pools. <br><br> <b> Specifications: </b><br> Color: Black<br> Solar Panel: 18V / 12W<br> Maximum Water Lift Height: 1.7m<br> Maximum Flow Rate: 161.1 GPH<br> The Life Time : over 20000 hrs<br> Cable Length: 5M<br><br> <b>Package:</b><br> -1x Solar Panel<br> -1x Water Pump<br> -1x Spike<br>-2x Nozzles<br> -1x User Manual<br><br> <b>Note: </b><br> 1. The pump will work perfectly when it gets enough sunlight. And it’s better to let the solar panel face the sun directly.( no shadow or cloud)<br> 2. Don’t connect the pump to any AC power supply directly; It’s designed ONLY for DC power.<br> 3. Don't make the pump work without water for a long time, or its lifespan will be shortened.<br> 4. Clean the outlet of the pump regularly to prevent clogging.<br> 5. Keep the solar panel dry and clean. And don’t strike the solar panel. Thank you.