Condition: 100% Brand New_x000D_Item Type: Thermometer Hygrometer_x000D_Material: Aluminum Alloy + Plastic_x000D_Measuring Range: Humidity 0-100%RH, Temperature -15-50_x000D_Measurement Error: Humidity 5%RH, Temperature 2_x000D_Most Suitable Indoor Temperature and Humidity:_x000D_Winter: Temperature: 18-25, Humidity: 30%-80%_x000D_Summer: Temperature: 23-28, Humidity: 40-50%_x000D_Weight: Approx. 115g / 4.1oz_x000D_Product Size: Approx. 10x10x2.5cm / 3.9x3.9x1.0in 1Thermo?hygrometer is mainly used to measure changes in environmental temperature and relative humidity. 2Can grasp the environmental temperature and humidity changes at any time, in order to make corresponding adjustments. 3With hanging ring, suitable for household indoor, greenhouse planting and warehouse temperature measurement. 4It contains multiple air holes, which conforms to the principle of air flow and is more suitable for atmospheric sensing. 5High measurement accuracy of temperature and humidity, with small error and long service life.1 x Thermometer Hygrometer1. Please allow 0?1 inch error due to manual measurement. Thanks for your understanding._x000D_2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard._x000D_3. Thicker glass, high permeability, clearer reading, prevent glass damage after slight impact.