Fast warming: Warms milk in just 3 minutes* No hot spots: Milk continuously circulates for gentle and even warming Perfect for middle-of-the-night feeds: Progress indicator light shows you that milk is ready when all three segments are illuminated; non-audible alert to avoid disturbing baby Adaptable: Works with all Philips Avent bottles and bottles from most other leading brands, as well as baby food jars; also has a defrost setting for breast milk and baby food. Voltage: 120 - 127 V, ~60 Hz Sleek design: compact size makes it easy to store on kitchen counter or nightstand; one-piece design allows for easy cleaning