Usage Tips:[3 in 1 Barometer Thermometer Hygrometer] Outdoor barometer/hygrometer/thermometer accurately measures humidity, air pressure and temperature, [High-quality Material] This barometer is made of premium, durable, strong performance and long service life. The 3-in-1 barometer has an eight-inch dial and large numbers for easy reading at a distance. In addition, the barometer has a hanging hole on the back so you can hang it anywhere from a nail. [Dial Type Barometer] The most important feature in the use of barometer is barometric trend. and you can record the air pressure at a certain moment for clear comparison. [Indoor Outdoor Barometer] Barometer weather station can be placed indoor or outdoor. [Perfect Gift] Round barometer 3 in 1 weather station is an exquisite item to decorate a room. It is the perfect gift for friends or yourself, especially if you like to go out and have fun. Product Name:20CM Three in One Weather Station Measurement Range:95.6 to 103.8kPa (28.2 to 30.8 inchHg), -40 to 140 ℉ (-40 to 60 ℃), 0 to RH Resolution:1hPa, 1C, 2% RH Accuracy:±5hPa, ± 2℃, ± 7%RH (40-70%RH, at 25℃) Unit Size:D200 x TH40mm Tips:The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use. Colour:As Shown Material:Metal Package Contents: 1 * Atmospheric Pressure Gauge 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.