Package content: come with 4 packs magnetic stove thermometers for your family, helping to have a good control of stove temperature, sufficient for daily using and changingMeasuring range: these wood burner top thermometers measure temperature from 100 to 900 (100 to 500 ), which can provide accurate measuring of temperature, the creosote buildup, optimum performance and overheat period is noted on the dial, easy to read with large dialConvenient to be placed: with a magnet on the back, these stove flue pipe thermometers can be placed on stove top or side, please note that do not attach these single wall flue pipe thermometers on grilles directlySturdy material: consist of aluminum dial, bimetal sensor, brass pointer, metal handle, sturdy and easy to operate, providing your family with a good monitoring of stove temperatureProduct function: these magnetic stove thermometer can monitor and optimize the work efficiency of your stove, protecting the stove fan from being damaged by overheating