Baby Brezza Instant Warmer is a revolutionary way to make a warm baby bottle instantly in 1 easy step. The instant warmer dispenses warm water on demand and maintains desired water temperature all day and night- so it's always ready when you need it. No need for a traditional bottle warmer anymore where you have to wait 3-5 minutes for the bottle to warm up -- just press the lever to dispense warm water in your bottle and you are ready to feed baby! The instant warmer has 3 temperature settings: body temperature, warmer than body temperature, and room temperature. The airtight tank holds 50 oz - enough for an entire day's worth of bottles