ITEM NAME:Handheld Compass Altimeter Barometer Thermometer Weather Forecast Time A#S Product Description Description: 8 in 1 Electronic Handheld Compass Altimeter Barometer Thermometer Weather Forecast Time Calendar Description: 1. The equipment is an ideal and simple equipment for outdoor sports enthusiasts. 2. It provides extensive and accurate information for outdoor sports enthusiasts, such as electronic altimeter (weather forecast + altitude meter + compass + barometer + clock) with backlight. 3. Functions: altimeter, barometer, level meter, weather forecast, compass, thermometer, calendar, time, backlight. 4. Scope of application: hiking, camping, mountaineering, and other outdoor places. Specification: Material: ABS Battery: 2 x AAA Battery (not included) Altimeter: Measurement range: -700 m ~ 9000 m (-2300~2950ft) (altimeter can be corrected for initial test) Resolution: 1 meters or 3 feet Barometer: Measurement range: 300mbar to 1100mbar Resolution: 0.1mbar. Electronic Compass: 8- azimuth mode display External magnetic field correction Accuracy: Â ±3 Degree Resolution: 1 degrees Thermometer: Measurement range:Â -10℃~+60℃(℃ and ℉ optional) Resolution: 0.1 degrees Weather forecast and time: Weather forecast after 12 to 24 hours 4 weather.Weather forecast after 12 to 24 hours. Electronic Compass Scope of application: hiking, camping, mountaineering, and other outdoor places. Avoid being used in a region that may affect the normal direction of the magnetic compass.