Keep your pet's or outdoor animal's water bowls from freezing over with this temperature controlled water bowl.With a capacity of a little over two liters and a chew-resistant cord cover for safety, our Pet Thermal Water Bowl ensures safe, comfortable and accessible drinking water even in the coldest of environments.Tips: For added safety, this bowl will automatically shut off if the temperature reaches 109? to prevent the risk of fire or overheating. The Petfactors Pet heated bowl is great for outdoor use, specially designed for outdoor animals, allowing them to drink hot water in winter. The Petfactors Thermal Water Bowl is perfect for any outdoor animal that?s thirsty during freezing cold winter weather. As there is thermostats inside, the Petfactors pet heated pad has the function of automatic constant temperature heating and it can generate 36-43°C ?97? - 109??, which assure that product is safe, and not burning when the pets drink water. No water automatic protection function---When the Pet heated bowl without water, it will automatically enter the standby state, which will stop heating and protect the pet bowl?You can use continuously for 24 hours, don't need to be opened and closed to switch every day, when you go out and there is no water in the pet heated bowl, you don't have to worry about pet bowl will appear problem, it will automatically stop heating + enter standby state.