Farm Innovators 1-1/4-Gallon Heated Water Bowl for Chickens, Model D-19, 60-Watt
This 1.25 gallon heated water bowl keeps water from freezing during the winter and is thermostatically controlled to operate only when necessary. Designed for chickens, dogs, cats, and other small farm animals.   A heavy-duty "anti-chew" cord protector deters chewing.  Built-in heater uses only 60 watts of power. One year limited warranty.