Safety Steam Button. Child Safety. When "frother assembly" is detached from machine, steam output is automatically blocked off. Adjustable milk temperature (120° to 170°F). Stainless Steel ThermoBlock (no water or steam come in contact with aluminum). Thermostat keeps system in stand-by for immediate frothing. 1220 Watt power for continuous action. Removable water container for easy filling. Can process up to 30 oz. of milk without refilling water container. Great for producing hot, frothy chocolate. On/Off and Thermostat indicator lights. Complete with external milk container. Easy to clean frother assembly.