The Anova Nano Precision Cooker makes it easy to achieve professional-level cooking results at home. To use, simply attach the cooker to any pan filled with water, place your food in a sealable bag, and set the time and temperature. The Anova Nano Precision Cooker heats and circulates water to a precise temperature, cooking foods to an exact temperature so they stay tender and juicy (without fear of overcooking). The Anova Nano Precision Cooker connects to your phone, so you can cook amazing meals at the touch of a button - spend less time stuck in the kitchen by relying on the app to notify you when your meal is ready to eat. Cooking time: up to 99 hours.