Descriptions: this product is used to measure the changes of temperature, humidity, atmospheric pressure. According to the variable trend of ambient temperature, humidity and air pressure, it can accurately predict the weather. In this way, it can be a multifunctional home weather forecasting instrument. Features: with barometer, thermometer and hygrometer, 3-in-1 multi-function, economical and practical standard measuring range, predict the weather more accurately light and easy to install, suitable for hanging or placing on a surface simple and elegant appearance makes you feel more comfortable when using it Specifications: measuring range: -30 - 50 °C; 0 - 100% RH; Resolution 970 - 1050hPa: 1hPa, 1°C, 2%RH accuracy: ± 2°C,± 5%RH(30 - 80%RH),± 5hPa(970 - 1040hPa) Diameter: 13cm/5.12" Thickness: 4.1cm/1.61" Color: Golden quantity: 1 Pc Note: please allow 1-3mm error due to manual measurement. pls make sure you do not mind before bidding due to the difference between different monitors, The picture may not reflect the actual color of the item. Thank you! Package Contents: 1 x Thermometer Hygrometer Barometer