HOKCO Weather Station Barometer Thermometer Hygrometer Aluminum Beech Wood Modern Design with 3 Analog Brushed Aluminum Dial Instruments for Accurate Weather Forecasting Temperature Range: 0F to 140F, Humidity Range: 0 to 100% RH, Barometric Pressure: 28.4" to 31.6" Hg. Aneroid Barometer, Thermometer, Hygrometer to Measure Humidity Maximum altitude for barometer operation is 3,800 ft. above sea level Dimensions: 12.75 x 4.75 x 1.5 in. (32 x 12 x 3.8 cm), Made in Germany