[Thermometer and Hygrometer 2 in 1] This garden hygrometer thermometer measures temperature and humidity in the range of -40-60C, and the air humidity range is 0-100% humidity relative to keep the house or garden in good condition.[High quality material]Indoor thermometer and hygrometer with reliable measurement values to control air humidity and temperature for indoor climate nice and healthy - not for sauna[Wall hole design]The wall hole design makes this thermometer suitable for more walls or hooks, or it is also good to place it directly on the table.[Indoor Outdoor Thermometer]The 10cm wireless disc thermometer can be used for interior decoration or tools such as walls, tables, refrigerators, doors, incubators, greenhouses, cars, baby rooms, etc. Put it outside as a measuring tool. The hygrometer is suitable for almost all measurement scenarios. The plastic frame and cover won't rust like metal.[Environmentally Friendly] This thermo-hygrometer is plastic-free and operates without batteries. Thus, our environment is preserved and you save additional costs