RAFT stands for: Refrigeration And Food Thermometer This unit has a food grade, stainless steel probe on a 1 meter cable connecting it to the main unit. The probe clips to the side of the unit and can be detached. The unit has 2 setable ALARMS for under or over temperature with Beeper and also has an inbuilt timer function, making this unit ideal for all food use. CAN BE USED AS A REFRIGERATION FAILURE ALARM... Very accurate and easy to use. Refrigerator and Freezer thermometer. Temperature range -50 up to 260 C. Has inbuilt hanging clip and flip-out table stand. Selectable 10 second sample time or FAST temperature sample mode. Display resolution of 0.1C. Accuracy of 0.5C. front cover slides down to reveal operation buttons A VERY POPULAR AND VERSATILE MODEL!