9,84' Round Hygrometer Thermometer Humidity Meter Outdoor : 2-in-1 thermometer and hygrometer accurately measuring the temperature range from -40 to 60C, -40 to 140C; humidity range from 0 to Round case plastic case and 9,84 inch diameter dial, adapt to four seasons and climate Temperature, temperature and humidity sensors, accurately detect and accurately measure, no need to calibrate Fahrenheit temperature and external, large and visible easier, on the back are in the position to hang it on the wall Suitable for greenhouse, warehouse, , appearance on , garden, patio, home, etc Specification: Material: plastic; Diameter: 25 cm/9,84 inch Type: Hygrometer Humidity Indicator Temperature range: -40-60C Temperature accuracy: 2C Temperature resolution: 2C Humidity Range: 0 Humidity accuracy: 5% RH Humidity resolution: 2% RH contains: 1 . Hygrometer humidity meter