Features: The 70mm analog barometer features stainless steel construction and precise mechanical movement, delivering accurate atmospheric pressure readings without battery dependence. With bold measurement markers, this instrument combines high sensitivity technology with scratch resistant glass protections for weather reliability. Essential for meteorology enthusiasts track weather pattern, outdoor adventurers monitoring altitudes changes, and agricultural professional managing crop conditions. Ideal for mounting home weather stations, integrating with farm equipment shelters, for atmospheric monitoring. This pressure instrument serves purposes as both a functional weather prediction tool and a elegant style decoration piece for workshops or studies. Specifications: Material: Stainless Steel Diameter: About. 70mm/2.76in Color: Gold/Silver Package Includes: 1pc Analog Barometer note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.