Ohmbrew Automations FERM-1311 Fermostat, Black Improve your beer with better fermentation temperature control Accurate to within .5 degrees Celsius Create detailed programs to ferment your beer over a gradual and precise range of temperatures. Includes 1 temperature sensor cable, 1 NEMA 5-15P input power cable and 2 NEMA 5-15R output power cords Data Logging allows you to view actual temperatures experienced during fermentation.