Ideal companion for outdoor enthusiasts seeking for extreme fun - Features 6 functions including digital altimeter barometer thermometer compass weather forecast and time - All functions are displayed on a 2.0" LCD screen with super bright green LED backlight - Easy to use and very convenient to carry along on your strap or key chains - Altimeter: 300 ~ 8000 m; Range resolution of 1 meter or 3 ft - Barometer: 350mbar to 1100mbar range resolution 1mbar - Compass: 16-bearing mode display. Magnetic declination setting -Thermometer: -5 ~ +50 Degrees Celsius(with Fahrenheit & Celsius optional) - Weather Forecast: Weather forecast for the next 12 to 24 hours; 4 kinds of weather status to describe weather conditions: Sunny Slight Sunny Cloudy Rain -Time: Time with Hour Minute Second 24h clock display - Powered by 1 x CR 2032 battery (not included) - Comes with neck strap