[Fast Warming - fast warming bottle warmer for breastmilk and milk. * Recommend keeping lid on during warming to keep heat in and warming speed up. 24HR Warming - Gently heats milk and keeps warm up to 24 hours. Feature also works for defrosting milk. Food Warming- Heats baby food from cold to warm Steam Cleans - Steam clean up to 2 bottles at once Safety - Auto shut off when water dries out to prevent damage.]