Features: With barometer, thermometer and hygrometer, 3 in 1 multifunction, economical and practical Standard measuring , predict the weather more accurately Lightweight and easy to install, suitable for hanging or placing on a surface Simple and elegant design make you more comfortable when using it Descriptions: This product is used to measure the changes of the parameters of the temperature, humidty, atmospheric pressure. According to the variation tendency of the environment's temperature, humidty and pressure, it can predict the weather accurately. Thus, it can be a multifunctional household weather forecasting instrument. Specifications: Measurement : -30~50℃; 0~RH; 970~1050hPa Resolution:1hPa, 1℃, 2%RH Accuracy: ±2℃,±5%RH(30~80%RH),±5hPa(970~1040hPa) Diameter: 13cm/5.12 inch Thickness: 4.1cm/1.61 inch Color:Golden Material: metal + glass Quantity: 1 Pc Package Contents: 1 x Thermometer Hygrometer Barometer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.