<b>Use for</b><br>compass for car dashboard,compass for hiking,wind direction indicator,compasses for hiking,car clocks for dash,barometer and thermometer,dash mount compass,hourly weather forecast,digital pocket thermometer,auto compass for dashboard,weather station<br><br><b>8 in 1 Electronic Handheld Compass Altimeter Barometer Thermometer Weather Forecast Time Calendar</b> <br>1.Altimeter(Range): -700 meters - 9000 meters / -2300-2950ft (resolution ratio-1m/3ft) <br>2.Barometer(Range): 350mbar-1100mbar (resolution ratio-0.1mbar) <br>3.Digital Compass: show bearing in degrees and cardinal point <br>4.Thermometer(Range): -10 Degree to +60 Degree, (Format ):°F/°C <br>5.Weather Forecast: Start the machine, it can forecast the weather in the next 12-24 hours, the effective range of 30-50km <br>6.LED Backlight: In any state, press any key to open the backlight, when open backlight, press any key to extend the time of 5 seconds <br>7.Clock Format: 12Hr/24Hr (AM/PM) <br>8.Calendar :With year,month,date time <br><br> <b>Specification:</b> <br>Material: ABS <br>Strap Material: Cotton Fabric <br>Battery: by 2 x AAA batteries (Not Included) <br>Size: approx. 9 x 5 x 2cm / 3.54" x 1.96" x 0.78" <br>Color: Black <br>Package Weight: approx. 94g <br><br> <b>Warm Tips:</b> <br>1. Avoid using in the rain and damp, high or low temperature condition (temperature: 0℃-50℃; storage temperature:-20℃-70℃). <br>2. Avoid contact with corrosive substances, such as perfume, alcohol, cleaning agent, and so on. <br>3. Avoid being used in a region that may affect the normal direction of the magnetic compass: <br>#.Near concrete / steel and other buildings. <br>#.It's very close to the power station. <br>#.Close to the home appliances (such as computers, TV, VCD, fax machines, loudspeakers, etc.) <br>#.The bridge is very close to a large number of steel or metal. <br>#.It's very close to moving vehicles (cars, trains, planes). <br>#.Near or placed on the surface of a metal plate