The PS-200 Heated Pond Saucer from Farm Innovators is an energy efficient de-icer that uses 200 watts of power to maintain a vent hole in the ice to release harmful gasses caused by fish waste and plant decay. The unit is thermostatically controlled to operate only when necessary and is safe for use in all styles of ponds. 10 foot cord. 12.25 Diameter x 1.625 H inches.