Open bird bath water during winter encourages a wide variety of birds to drink from an ice free bird bath . This birdbath de-icer features a built-in thermostat. Even on the coldest days, drinking water remains in the optimal range for wild birds. A stainless steel guard is provided to shield wildlife from contacting the heating element.The rear fit power cord and neutral color plastic housing make for a low profile in the bird bath. 200 watts power draw. 3 year warranty by Allied Precision.