This product is used to measure the changes of the parameters of the temperature, humidity, atmospheric pressure. According to the variation tendency of the environment&39;s temperature, humidity and air pressure, it can predict the weather accurately. Thus, it can be a multifunctional household weather forecasting instrument.Features- Color: As shown.- Material: Aluminum alloy, PMMA.- Size: 12.8x12.8x4.1cm- 3 in 1 multifunction, barometer, thermometer and hygrometer, convenient and practical.- Dial type, with clear weather indicator, easy to tell weather trend.- Lightweight and easy to install, simply hanging or placing on a surface.- Made of material for lasting use.- Simple and elegant design make you more comfortable when using it.Packing list1 x Barometer