Bullet Points: 1Mini Indoor Thermometer and Hygrometer: Indoor 2-in-1 temperature and humidity monitor, suitable for desk, kitchen, office and outdoor. 22-In-1 Thermometer and Hygrometer: An indoor thermometer (about 3 inches) can display both Celsius and Fahrenheit temperatures at the same time, accurate to about -50 to 50 degrees Celsius to adapt to all climates. 3Automatic Calibration: The room thermometer will be automatically calibrated. Just place it in a fixed position. After 2 hours, the pointer will automatically match the local temperatures. 4Hangable Design: The back and bottom brackets are equipped with hooks, which can be placed on the table or hung on the wall. The claic dial style is simple and elegant. The clear scale makes reading easier. It is also a pleasing meter decoration. 5Wide Applications: Thermometer and hygrometer can be used as indoor and outdoor decorations or measurement tools. Suitable for walls, tables, refrigerators, doors, freezers, incubators, greenhouses, breeding boxes, automobiles, nurseries, etc. The thermometer is suitable for almost any measurement situation. Description: NobatteryNeeded:Thisthermometerimplementsthegreenconcept,nobattery,itisenergy-savingandeco-friendly. Specifications: ProductSize:about75*75*20mm/2.95*2.95*0.79in Purpose:Measureoutdoortemperature UseEnvironment:about-10to40degreesCelsius TemperatureMeasurementRange:about-50to50degreesCelsius TemperatureDifference:about1degreeCelsius Application:Itcanbeusedforenvironmentalmeasurementinhomes,offices,hotels,laboratories,kindergartens,primaryandmiddleschools,factoryworkshops,etc. PackingList: 1xThermometer Notes: Duetothelightingeffectsandshootingangles,thereiscolordifferenceintheproduct,pleaseunderstand. Duetomanualmeasurement,thereistoleranceintheproductsize.