Dishwasher Thermometer,32 to 194F/0 to 90C,NSF Certified,LED indication lights for different maximum temperatures,waterproof (IP66),max/min,last maximum temperature recall,simulates a plate surface to comply with FDA Food Code 4-501.112 and 4-703.11(B),high accuracy at 0.9F/0.5C,extra-big digit,triple display,on/off button,rubber bumper,storage case included,two CR2032 lithium button batteries included,1-year warranty