The Farm Innovators Flat Back Heated 5 Gallon Bucket is made from durable plastic. The bucket comes equipped with a self-regulating thermostat that automatically sets the heating element in motion to prevent the water from freezing. The element is hidden within the walls of the bucket for animal safety. The flatback design and metal handle make it easy to hang against a wall or on a fence and have a convenient 5' cord. 120volt, 75 watt, and UL Listed