4pcs/Set Hygrometer Barometer Watch Clock for Shell Marine

4pcs/set Hygrometer Barometer Watch Clock For Shell Marine For and Features 1 temperature sensing hairspring; wet hairspring; gear transmission structure barometer movement; 1 second clock movement; Metal 2. Readings Comparison: The contrast pin on the lens is used to compare readings to see if atmospheric pressure rises or falls over a certain period of for time. 3. Wide Applicability: Generally applicable to ships, factories, laboratories, families. 4. is lightweight and suitable for hanging or placed on a 5. Hygrometer Barometer Clock only, other accessories in the picture is not included Specification -30 ~ 50℃, accuracy: +/- 2℃Hygrometer: 0 ~ RHAccuracy: +/- 5% RH (40 ~ 70% RH)Barometer: 950 ~ 1070hPaAccuracy: +/-5hpa 980~1040hPa Brass for Shell, Bottom for Shell, Acrylic LensFor detail sizes as follows diameter: 98mm/3.86in, thickness: 33 mm/1.30inHygrometer: diameter: 98mm/3.86in, thickness: 33mm/1.30inBarometer: diameter: 98mm/3.86in, thickness: 36mm/1.42inClock: diameter: 98mm/3.86in, thickness: 32mm/1.26in Color: As pictures shownQuantity: 4pcs/setNote:Please allow 0-1cm 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. Thank you!Package Contents:1 x 1 x Hygrometer 1 x Barometer1 x Clock

• ☆ Readings Comparison: The contrast pin on the lens is used to compare readings to see if atmospheric pressure rises falls over a certain period of time.
• ☆ Wide Applicability: Generally applicable to ships, factories, laboratories, families.
• ☆ temperature sensing hairspring; wet hairspring; gear transmission structure barometer movement; 1 second clock movement; Metal
• ☆ -30 ~ 50℃, accuracy: +/- 2℃ Hygrometer: 0 ~ RH Accuracy: +/- 5% RH (40 ~ 70% RH) Barometer: 950 ~ 1070hPa Accuracy: +/-5hpa (980~1040hPa) Brass Shell, Bottom Shell, Acrylic Lens Quantity: 4pcs/set
• ☆ is lightweight and suitable for hanging placed on a