Warms 5oz. (145mL) of milk in as little as 3 minutes, depending on milk volume, beginning temperature, and bottle material Circulates milk during warming to prevent hot spots Sensors adjust the heating patterns based on milk volume and starting temperature Keeps milk warmed to the ideal temperature for up to 60 minutes Progress indicator light lets you view at a glance if the milk is still warming or if it's ready to serve Compatible with all Philips Avent bottles, most bottles from other brands, and baby food jars (bottles and jars sold separately) Defrost setting gently thaws breast milk and baby food so it's quickly ready for mealtime Compact design fits easily on your kitchen countertop or bedside table