[3 in 1 Barometer Thermometer Hygrometer] Outdoor barometer/hygrometer/thermometer accurately measures humidity, air pressure and temperature, range from 95.6 to 103.8kPa (28.2 to 30.8 inchHg), -40 to 140 (-40 to 60 ),0 to Rh, barometer can accurately measure the weather weeper or better. [High-quality Material] This barometer is made of premium steel, durable, strong performance and long service life. The 3-in-1 barometer has an eight-inch dial and 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. [] Round barometer 3 in 1 weather station is an exquisite item to decorate a room. It is the perfect friends or yourself, especially if you like to go out and have fun. Product Name: 20CM Three in One Weather Station Product introduction: 20CM iron shell surface is treated with antique baking varnish, plastic inner shell, glass lens, font, temperature and humidity sensing elements of high-precision materials. PVC plastic sheet dial, the dial is designed as American dial (the air pressure measurement sheet has English units, and the thermometer has Fahrenheit F scale) 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) Colour:brown Material:metal + glass Package Contents: 1 x 3 in 1 Thermometer 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.