Large decorative outdoor thermometer: 2-1 indoor thermometer & The hygrometer is ideal for tracking temperature and humidity, the 12 inch diameter round wall mounted thermometer hygrometer accurately measures temperatures from -50~60 (-60~140F), accuracy: +/- 2C; Humidity measurement range: 20~90%RH, Accuracy: +/-7%RH (40~70%RH). the round outdoor thermometer adapts to all general changes in temperature and humidity.Durable materials: the decorative outdoor thermometer and hygrometer consists of a sturdy aluminum bottom housing, a lens acrylic and an aluminum pointer, won& 39;t rust like the metal ones. You can use this large round thermometer for a long time without , even if you put it outside.Easy to read: our outdoor thermometer has a 12 inch dial, decorative with a blue pattern and red on the dial surface. And clear scale lines, bold black numbers for easy reading, luxurious silver frame make your room more unique. With a keyhole on the back, you can hang the thermometer on the wall and read from a distance conveniently. 2-3 Hours Auto Calibration: This weather thermometer with a precision thermometer coil ensures accurate readings. This hygrometer uses a built-in mechanical movement that provides real-time detection, so you don& 39;t need to calibrate it and doesn& 39;t require a battery. Wide application: 12-inch hanging thermometer and hygrometer can be placed inside or outside. Its elegant and refined shape makes it a perfect addition to any patio, room, garden, kit, bedroom, swimming pool, office buildings, hotels, schools, stores, warehouses, etc., makes your living environment more coordinated, fulfilling and perfect."