LOSCATO Automatic Electric Milk Frother and Warmer (250ml) This milk frother makes hot and cold milk froth for cappuccinos, heats hot milk for lattes Maximum capacity: 125 ml (for milk froth preparation), 250 ml (for hot milk preparation) There are 2 maximum level marks. The top maximum level mark is for milk warmer, the second maximum level mark is for milk frother (milk volume expands after frothing). And minimum milk level mark (do not turn on frother without minimum amount of milk in the cup) To make hot drinks, please press the ON/OFF button once and release immediately, both heater and frother will turn on. Press and hold the ON/OFF button for 2-3 seconds, the frother will turn on, but heater won't turn one. This makes cold drinks Product Built to North American Electrical Standards, 120V. ETL approved