It can be a multifunctional household weather forecasting instrument. With barometer, thermometer and hygrometer, 3 in 1 multifunction, economical and practical. Standard measuring range, 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. Measurement Range: -30-50℃; 0-100%RH; 970-1050hPa Resolution:1hPa, 1℃, 2%RH Accuracy: ±2℃,±5%RH(40-70%RH),±5hPa(970-1040hPa) Diameter: 13cm/5.12 in Thickness: 4.1cm/1.61 in Colour:Gold & Silver Material:Metal Package Contents: 2 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.