Farm Innovators Decorative Birdbath De-Icer "Heated Rock" HR-75

This cast aluminum artificial rock has an economical low-watt heater built-in to keep your birdbath from freezing completely even in sub- zero temperatures. The Heated Rock Birdbath De-icer features 75 Watts of power that is thermostatically controlled to operate only when temperatures fall below 35 degrees Fahrenheit to save and conserve expensive energy.