Waterproof Thermometer - Long Stem,-40 to 450F/-40 to 230C,NSF Certified,6 second response,2.5 mm thin tip,8"/20.3 cm stem,hold mode,max/min mode,field calibration,dishwasher safe (IPX7),shatterproof,big digit,expanded range,food-safe ABS plastic with BioCote,304 stainless steel stem,on/off button,high heat shield,exclusive adjustable stainless steel vessel clip,pocket clip/hook,one LR44 alkaline button battery included