Heats breast milk or formula to 98.6° every time and will hold it at this temperature for 30 minutes. No confusing water tanks or measurements needed to get your baby bottle to the perfect temperature, every time.Includes 4 adapters to fit most major bottle brands including Dr. Brown's Original, Avent, Medela, Tommee Tippee and others. Please check the list of compatible bottles, listed in the From the manufacturer section below, to ensure compatibility with your bottle.Fast and simple to use - just screw bottle directly into unit or fit with appropriate adapter for a secure, leak-proof fit. If using formula, mix thoroughly before warming.Compact base for clutter-free countertop - perfect for small kitchensPress and hold start button for two seconds to start and stop unit. Please refer to product video or instruction manual to ensure proper use.