4 Inches 4 PCS/set Hygrometer Barometer Watches Clo Copper Shell Zirconium Marine for Weather Station

Features: 1.Precision temperature sensing hairspring; Precision wet hairspring; Precision gear transmiion structure barometer movement; 1 second precision clo movement; Metal pointer. 2.Readings Comparison: The contrast pin on the lens is used to compare readings to see if atmospheric preure rises or falls over a certain period of time. 3.Wide Applicability: Generally applicable to shs, factories, laboratories, families. 4.Easy to Install is lightweight and easy to install, suitable for hanging or placed on a surface. Parameter: Material: bra shell, plastic bottom shell, acrylic plastic lens Size(about): : diameter: 98mm/3.86in, thine: 33mm/1.30in; hygrometer: diameter: 98mm/3.86in, thine: 33mm/1.30in; barometer: diameter: 98mm/3.86in, thine: 36mm/1.42in; timepiece: diameter: 98mm/3.86in, thine: 32mm/1.26in Dial: 0.3mm aluminum sheet printed bla on white. Measurement function parameters: : -30 ~ 50C, accuracy: +/- 2C; hygrometer: 0 ~ 100% RH, accuracy: +/- 5% RH (40 ~ 70% RH); barometer: 950 ~ 1070hPa, accuracy: +/-5hpa (980~1040hPa); timepiece: travel 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 ture may not reflect the actual color of the item. Paage List: 1 *Air preure gauge 1* 1*Moisture meter 1*Timepiece

About shping
Shping and Pa All it will be double cheed and well paed before sending.It will be dispatched within 2 business days after buyers pay for the order. It usually takes about 14 to 18 working days for delivering the paage to the destination(for e areas,it may take a little longer). 

Special Announcement:
Please fill in the correct and detailed consignee, address and phone number in the order. For fast and correct delivery.If you do not receive order within 30 working days,please feel free to contact Customer Service before leaving Negative and Neutral Feedba, we will do our best to help you resoe the problem.TaxNo, you will only pay what is quoted as total cost at cheout, no more. You are not expected to pay any additional duties or taxes. If you are asked by Customs or our logistic partner to pay duties, please contact our Customer Service .

Your 100% satisfaction is very ant to us
If the product is not on good condition, You can return this product within 14 working days, please contact customer service center before returning.FeedbaYour satisfaction is our first priorityIf you receive the order and it is in good condition,we would be grateful if you would leave us 5 star Positive Feedba for the transaction.