FUZYXIH 4 Pcs Boat Thermometer Hygrometer Barometer Watch Clock Set
FUZYXIH 4 Pcs Boat Thermometer Hygrometer Barometer Watch Clock Set for Ships,Factories,Laboratories,Wall Mounting Type 1.Precision temperature sensing hairspring; Precision wet hairspring; Precision gear transmission structure barometer movement; 1 second precision clock movement; Metal pointer. 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...