Extra large backlit LCD allows users to see in ovens and holding cabinets without the need of any extra light. AutoOff and Auto/Display features. Available in Yellow or Purple. (Purple used for allergen awareness and allergy sensitive procedures). Field recalibrateable. 51/4" stem with 1.5mm step down tip. Dishwasher safe with maximum/minimum hold feature to test rinse water. Select F or C. Battery included. NSF listed. -40F to +500F temperature range.