Fresh - Smart Metal Bowl has a 1.7L capacity which can contains 750 grams of food. This means Fresh Metal can be used to feed mid-sized and large-sized dogs. The in-built weighing scale is able to support 4 metrics: gram, pound, millimeter and ounce. Using the basic information of your pet, the PETKIT app can make your pet eat more healthily by suggesting the daily intake of their feed. The metal basin is removable from the bowl for easy wash, and is made of 304 stainless steel which is corrosion-free and acid-resistant. 2 AAA batteries needed to operate the bowl for 1 year.