The Thermal Bowl is an ideal solution for keeping your dog's water bowl from freezing. This heated dog bowl uses an internal thermostat to keep your dog's water at a drinkable temperature even in extremely cold, sub zero conditions. Simply plug the 5 1/2 foot steel wrapped cord into any outlet and the Thermal Bowl will keep your dog's water open all winter long. These bowls are rated at 25 watts for extremely low energy consumption. Available in either a 96 ounce (Blue) or 1.5 gallon size (Granite Gray).