Ready light indicates optimum brew temperature, Flashing brew light alerts user that coffee is brewing, Universal base for perfect dispenser alignment, Gravity fed hot water faucet for tea, soups and hot coco, Tank “ON/OFF” switch for easy installation. Pulse brewing option - when turned “on” allows pulsation of water over coffee grounds of coffee. Auto arm capable. When activated locks out brew cycle until optimum temperature is achieved. PDS Valve. The most accurate flow control on the market, eliminating service calls due to inconsistent pot levels.