Zojirushi's Micom Water Boiler & Warmer, availalbe in 3.0 and 4.0 liter capacity, boils and keeps water hot at a set temperature for as long as it's plugged in. Select from one of 4 keep warm temperature settings (160 DegreeF, 175 DegreeF, 195 DegreeF, 208 DegreeF) which are the optimal temperatures for brewing different varieties of tea. The Optional Quick Temp mode reaches 160 DegreeF, 175 DegreeF, or 195 DegreeF keep warm directly without reaching a boil. Includes energy-saving timer function (6-10 hours), Cafe drip dispensing mode for slower dispensing, and Swivel base for serving convenience. Interior is made of rust-resistant stainless steel. Zojirushi's Commitment to Safe Design: Automatic shut-off prevents boil dry; automatic dispense-lock prevents accidental dispensing; in-spout and in-lid protection prevents leakage when tilted or tipped over, or dripping after dispensing.