[DETAIL] PRECISION MEASUREMENT: Factory calibrated to accurately measure temperatures from -60 degrees Fahrenheit to 120 degrees Fahrenheit (-50 to 50 degrees lsius) EASY TO USE: Bold black lettering with large numbers and a bright red pointer makes temperature readings easier. MULTIFUNCTIONAL: 5.25-inch indoor outdoor thermometer can be mounted in greenhouses, warehouses, rooms, offis, laboratories, balconies, gardens, terras, etc TIPS: No batteries required. For the most accurate readings, pla out of direct sunlight. [ATTRIBUTES] - Hign-concerned Chemical: None - Theory: Temperature Sensor - Origin: Mainland China - Hign-concerned Chemical: None - Theory: Temperature Sensor - Origin: Mainland China