The milk frother can make warm and cold froth for cappuccinos and heat warm milk for lattes, with a maximum capacity of 125 ml for froth and 250 ml for warm milk. It has indicators for maximum and minimum levels of milk, and it heats milk to 140°F-160°F. The ON/OFF button controls the heater and frother separately, allowing for both warm and cold drinks. The milk used must have at least 3 grams of protein, not be flavored, and not be ultra-pasteurized. The stainless steel exterior is insulated and comes with a detachable base and cleaning brush, and the product is designed for use with 120V electrical standards in North America.