The BrewMometer is unlike any other thermometer on the market. Not only does it read the temperature - it also has suggested "ranges" for the following:Lager Fermentation TemperatureAle Fermentation TemperatureDough-InProtein RestStarch ConversionSteepingMash-Out/SpargeBoilIt has a 1/2" MPT thread on the back side, and a 3" face. Probe length 3 3/8". Note - This thermometer only reads Fahrenheit.