The Brewista Smart Temp Digital Temperature Gauge for Brewista Smart Pour and Stout Spout Stovetop and Electric Switch Kettles. Easily replace the original analog temperature gauge by simply unscrewing the top collar and screwing the Smart Temp Digital Temperature Gauge into position. Digital Temperature Gauge emits an audible alert when the programmed temperature is reached. Changes from Fahrenheit to Celsius at the touch of a button. Battery included.