Precision Variable Temperature Electric Kettle: From 40 to 100 degrees, this water kettle could cook and keep perfect temp of water to brew one fine cup of coffee or to meet wide range types of tea (oolong, green, black, white, and herbal tea). Memory and Keep Warm Function:This electric kettle retains its memory for 90 seconds,it can remain the original temperature after you heat the water again. With the warm function of half an hour ,you can keep the warm for a second cup of tea. Ultra Fast Boiling and Large Capacity: This water boiler has 3000W power that easily heats up full tank of water in 5-6 minutes, effectively shortening waiting time. The 1.7L large capacity allows this cordless kettle serves about 8 cups of water for you and your family each time.