Aerolatte's Original Steam-Free Milk Frother with a satin finish aerates milk into a thick, rich foamy beverage. Frothed milk is fun and easy to make with very little effort. The frother is easy for everyone to use, requires no electricity, and is more compact and economical than espresso machines. Easily froth all types of milk, from whole, skim or goat milk, to hemp, almond, soy, cashew, coconut, and other non dairy milk. Simply measure chilled or warmed milk into a mug or glass. Submerge the whisk end of the frother, then press and hold the power button to create a creamy, silky froth on top, about 30-60 seconds or until desired consistency is achieved. 2 AA batteries are included.