Solarrion Solar Aerator Deicer for Ponds (Runs Night & Day) Low Light 20 watt Solar Powered Aerator with double diaphragm air pump Runs 24/7 with as little as 24 hrs/week of sun Single unit deices 10 feet of dock or livestock tank all winter 2 liter per minute air flow. Manufacturers 1 year warranty on all parts a, 2 year warranty on aerator motor and 5 year depreciated solar panel warranty.