4 Inches 4 PCS/Set Hygrometer Watches Clock for Shell Marine for

Features: 1.Precision temperature sensing hairspring; wet hairspring; gear transmission structure 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.Easy to Install is lightweight and , suitable for hanging or placed on a . Parameter: brass for shell, bottom for shell, acrylic lens Size(about): : diameter: 98mm/3.86in, thickness: 33mm/1.30in; hygrometer: diameter: 98mm/3.86in, thickness: 33mm/1.30in; : diameter: 98mm/3.86in, thickness: 36mm/1.42in; timepiece: diameter: 98mm/3.86in, thickness: 32mm/1.26in : 0.3mm aluminum sheet printed black on white. Measurement function parameters: : -30 ~ 50C, accuracy: +/- ; hygrometer: 0 ~ , accuracy: +/- 5% (40 ~ 70% ); : 950 ~ 1070hPa, accuracy: +/-5hpa (980~1040hPa); timepiece: travel for time error is not more than +/-1 second / day Note: 1.Please allow 1-3mm error due to manual measurement.pls make sure you do not mind before you bid 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package List: 1 *Air pressure gauge 1* 1* meter 1*Timepiece

• 1.Precision temperature sensing hairspring; wet hairspring; gear transmission structure 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.Easy to Install is lightweight and, suitable for hanging or placed on a .
• brass for shell, bottom for shell, acrylic lens