This thermometer is compact in size, folds away for convenient storage, and has a built in carrying hole. The small size is perfect to take along for grilling, tailgating, or vacations. The thermometer has a wide temperature range of -40° F to 450° F (-40° C to 230° C) that can be read on the large 0.7” LCD readout. The thermometer comes with an ON/OFF button on the back of the unit along side the C/F switch. The thermometer runs on one LR44 battery (included).