Professional, farm-grade Electric Heater Base helps prevent water from freezing at temperatures as low as 10°F. Allows for year-round water supply for poultry. Thermostat control turns on and off for economical operation. Will not draw electricity until temperature drops below freezing. Perfect for unheated coops and barns; can be used outdoors in a dry, sheltered area. Made of heavy-duty, rust-resistant galvanized steel. Fully assembled and ready to use, just plug it in. 125 watts, 110V heating element; uses less than 1 amp per hour. Measures 16.5" diameter x 3.687"H with 8', 3-prong grounded cord. Cord should be protected from animals and used with a ground fault protected outlet.