Features: Available in size 72-millimeters diameter. Excellent aneroid barometer dial. Measures in both metric and millibars of mercury. Gold metallic case, gold dial, black numerals and pointer. Suitable for Archives, pharmacy, hotel, warehouse, laboratory, museum, greenhouse nursery, office space, sun room, factory, etc. Package Includes: 1x Dial Type Barometer Specifications: Material: Metal Panel diameter: approx 72mm/2.8in Measuring range: 0-1000 note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.