This unit includes a thermometer and a timer in one unit. You can use the timer function to make sure that you will never under or over cook anything. It also has a plug in  food grade probe on a 1 meter stainless wire.2 setable (Hi/Lo) ALARMS with Beeper make this unit ideal for all food use and A REFRIGERATION FAILURE ALARM.....Very accurate and easy to use. Times to 99HRS and Temp from -50C to +300C