The Electric Bird Bath De-Icer allows you to provide ice-free water in any bird bath, including those made from pottery, plastic or concrete. The De-Icer helps attract wild birds by keeping your bird bath ice-free all winter long. Lack of water is a major problem for many birds during the winter months. Works in sub-zero temperatures and has a built-in thermostat to conserve energy. The De-Icers is constructed of durable stainless steel and has an auto shut-off for safety. The unit is 200w, 120V AC and is manufactured by Allied Precision Industries Inc..