Package Included : 2 x Fridge/Freezer thermometer with battery inside 2 x Screwdriver 2 x operating Instruction Product Features Measuring temperature range:-20℃~50℃（-4℉~122℉） Accuracy:±1℃（±2℉）；Resolution:0.1℃（0.2℉） Waterproof structure level IPX3 Max/Min temperature value display on screen Stand for shelf or hang with hook,worked with CR2032 battery(included)