Outdoor Four-in-one Altitude Meter, Altimeter with Compass and ThermometerFriendly Tips: 1.Please note that slight color difference should be acceptable due to the light and screen. 2.1-2cm error might exist due to manual measurements, please kindly understand.Specifications: Material: ABS Measuring Range: (altitude) 05000 meters; (air pressure) 5801040 hPa; (temperature) -3050 Resolution: 20 meters Specification: Length 85Width 68Height 28mm, Dial Diameter 60mm Storage Conditions: Temperature is between -3065; humidity is less than 90%Note: This product is widely used in air pressure measurement, as well as outdoor occasions such as mountaineering and fishing, but it is not recommended for geographic surveys!Package Contents: 1 x Outdoor Four-in-one Altitude MeterPromise: If the product has any quality problems, please feel free to contact us, we will help you solve the problem as quickly as possible.