With barometer, thermometer and hygrometer, 3 in 1 Multi-function, economical and practical. So it can be a multi-functional household weather forecasting instrument. This product is used to measure changes in parameters of temperature, humidity, atmospheric pressure According to the variation trend of the environment temperature, humidity and air pressure, it can predict the weather accurately Measuring range: -30 ~ 50 ; 0 ~ 100% RH; 960~1060hpa. Resolution1hpa, 1, 2% relative humidity. Accuracy: 2, 5%RH (30~80%RH), 5hpa (970~1040hpa) Quantity: 1 hygrometer. As the strike could cause an indefinite delay in express delivery, the French are invited to place their orders with caution. Description: 1. Type: Weather station 3 in 1 tool. With barometer, thermometer and hygrometer, 3 in 1 multifunction, economical and practical. 2. Standard measuring range, predict time more accurately. 3. Lightweight and easy to install, suitable for hanging or placing on a surface. Simple and stylish design makes you more comfortable when using. Function: Size: 128 x 41 mm, Thickness: 4.1 cmMaterial: aluminum ring and plastic lens Measuring range: -30 ~ 50; 0 ~ 100% RH; 960 ~ 1060hpaResolution1hpa, 1, 2% relative humidityAccuracy: 2, 5%RH (30~80%RH), 5hpa (970 ~ 1040hpa) Package Contents: 1 x Thermometer Hygrometer Barometer Note: Please allow errors 1-2mm due to manual measurement. Due to the difference between different monitors, there are color differences, please take the actual product as the standard.