The K&H Pet Products Thermal-Bowl Outdoor Heated Cat & Dog Water Bowl makes water available for pets in even the most extreme cold temperatures. Thermostatically controlled, the Thermal-Bowl is the answer to freezing water bowls. Just plug it in and your pet's water will remain open all winter. All electronics are safely sealed inside, and the cord is steel wrapped to prevent abrasion. These outdoor heated water bowls use anywhere between 12 and 25 watts depending on the size, making them all good choices for low energy consumption. Indoor or outdoor use. This heated water bowl has been tested & certified by MET Labs and exceeds USA/CA electrical safety standards. K&H doesn't just use safety listed parts; we safety certify the entire product. Available in 4 sizes: Granite gray color is 1.5 gallons; Blue color is 96 ounces; Gray color is 32 ounces; and Stainless Steel is 102 ounces. Designed by K&H with OVER 20 years of experience in creating safe, innovative, quality products for pets. One-year limited warranty.