<b>Let the sun bring the air to your fishes with Lewisia Air Aerator Pump ~<br><br> 3 Working Modes: <br> 1. Strong Bubble</b> (Indicator light is green)<br> <b>2. Gentle Bubble</b> (Indicator light is dark blue)<br> <b>3. Cycles On and Off</b>: 10 seconds on/10 seconds off (Indicator light is light blue)<br><br> Optimal oxygen level and keeps fish and pond-life healthy<br> Rippling effect of air bubbles <br> Prevent mosquitoes from laying eggs<br> Helps prevent algle growth, keep your pond clean and algae free<br> Oxygenate your garden pond during the warm summer months when the water oxygen levels are low<br> After a sunny day, the battery will keep air moving at night.<br><br> <b>Product Specification</b><br> - Solar panel: 2.5W, PET laminated<br> - Battery: 18650 Li-ion 3.7V 1800mAH<br> - Pump: AC air pump, 3.5V 450MA <br> Sound: less than 60dB<br> Minimum air flow: 0.6L/min<br> - Product working voltage range:3.0V－4.25V<br> Discharge protection voltage: 3.0V<br> Over charge protection voltage: 4.25V<br> - Working time on fully charged battery: 20 hours<br> - Air Hose Length: 3.28ft / 1m <br>- Cord Length: 10ft / 3m<br><br> <b>Method of Operation</b><br> 1.Put the solar panel in a well-lit area to ensure exposure to sunlight. <br> 2.Connect the air stones to the main unit before they are dropped into the water.<br> 3.Press the POWER switch button on the back of the solar panel, the air pump will work once there is electricity stored in the built-in battery. <br>Press the MODE button to choose air pumping high or low positions.<br><br> <b>Package Included:</b><br> 1 x Solar Panel with Stake<br> 1 x Air Aerator<br> 1 x Connecting Tubing <br> 2 x Air Hoses <br>2 x Air stones <br> 1 x User manual