Usage Tips:About this item This BBQ Grill Smoker Thermometer perfectly fits for Oklahoma Joes smokers and most smokers or grills with 13/16 inch opening or hole. with extreme accuracy, extra 3 long stainless steel probe rod for accurate temperature readings and precisely measures internal temperatures of food with a quick 3 to 4 second response time. 3 1/8 large 3 color coded zones grill thermometer with enlarged degree scales and numbers, easy data reading, allows you to grasp the temperature at a glance even at night. Face reads 100 to 550 F This grill temperature gauge is made out of stainless steel, which is sturdy and rust resisting, a safety and durability for your family. Just insert the stem through the hole on your grill, and attach the kit included. This temperature gauge is designed to be mounted at the outer of grills, if utilized in liquid or environments with a good deal steam, may additionally fogged up with condensation, but the condensation will disappeared after some time.