The Floating Winter Pond De-Icer is for use in those colder locations where winter temperatures result in significant or long-term icing of Pond surfaces. It helps maintain a small opening in the frozen surface of your pond in order to release harmful gasses and helps keep fish alive during the cold winter months. o 120 Watts of Heating Power o Energy Efficient o Good for ponds up to 1,000 gallons o Fixed Thermostatic Control Reduces Heating Time & Saves Electricity o Internal Electronics Epoxy Sealed for Watertight Protection o Made from Rugged, High Impact ABS Plastic o 18' Power Cord o Will Not Harm Flexible Liners or Pre-Formed Ponds