<p><span style="font-size: 18px;">4 Pieces Boat Barometer Clock Thermometer Hygrometer Weather Station Set</span></p><p><span style="font-size: 18px;">Features:</span></p><p><span style="font-size: 18px;">1.Precision temperature sensing hairspring; Precision wet hairspring; Precision gear transmission structure barometer movement; 1 second precision clock movement; Metal pointer.</span></p><p><span style="font-size: 18px;">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 time.</span></p><p><span style="font-size: 18px;">3.Wide Applicability: Generally applicable to ships, factories, laboratories, families.</span></p><p><span style="font-size: 18px;">4.Easy to Install is lightweight and easy to install, suitable for hanging or placed on a surface.</span></p><p><br/></p><p><span style="font-size: 18px;">Parameter:</span></p><p><span style="font-size: 18px;">Material: brass shell, plastic bottom shell, acrylic plastic lens</span></p><p><span style="font-size: 18px;">Size(about):</span></p><p><span style="font-size: 18px;">thermometer: diameter: 98mm/3.86in, thickness: 33mm/1.30in;</span></p><p><span style="font-size: 18px;">hygrometer: diameter: 98mm/3.86in, thickness: 33mm/1.30in;</span></p><p><span style="font-size: 18px;">barometer: diameter: 98mm/3.86in, thickness: 36mm/1.42in;</span></p><p><span style="font-size: 18px;">timepiece: diameter: 98mm/3.86in, thickness: 32mm/1.26in</span></p><p><span style="font-size: 18px;">Dial: 0.3mm aluminum sheet printed black on white.</span></p><p><span style="font-size: 18px;">Measurement function parameters:</span></p><p><span style="font-size: 18px;">thermometer: -30 ~ 50C, accuracy: +/- 2C;</span></p><p><span style="font-size: 18px;">hygrometer: 0 ~ 100% RH,</span></p><p><span style="font-size: 18px;">accuracy: +/- 5% RH (40 ~ 70% RH);</span></p><p><span style="font-size: 18px;">barometer: 950 ~ 1070hPa,</span></p><p><span style="font-size: 18px;">accuracy: +/-5hpa (980~1040hPa);</span></p><p><span style="font-size: 18px;">timepiece: travel time error is not more than +/-1 second / day</span></p><p><br/></p><p><span style="font-size: 18px;">Note:</span></p><p><span style="font-size: 18px;">1.Please allow 1-3mm error due to manual measurement.pls make sure you do not mind before you bid</span></p><p><span style="font-size: 18px;">2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.</span></p><p><br/></p><p><span style="font-size: 18px;">Package List:</span></p><p><span style="font-size: 18px;">1 *Air pressure gauge</span></p><p><span style="font-size: 18px;">1*Thermometer</span></p><p><span style="font-size: 18px;">1*Moisture meter</span></p><p><span style="font-size: 18px;">1*Timepiece</span></p><p><br/></p>