A simple switch design that requires neither plumbing nor special wiring. All stainless steel construction. Two individually controlled warmers one upper and one lower to maintain beverage temperature. SplashGard® black plastic funnel deflects hot liquids away from the hand. Brews directly into included 12-cup glass decanters. Pourover brewer requires no plumbing, completely portable. Just pour cold water in top and coffee brews immediately. Brews up to 3.8 gallons per hour.