Overview: This is a handy compact digital compass with altimeter Ideal for hikers, hunters, fishermen, or any activity outside. Ideal companion for outdoor enthusiasts seeking for extreme fun Features 6 functions, including digital altimeter, barometer, thermometer, compass, weather forecast & time All functions are displayed on a 2.0" LCD screen with super bright green LED backlight Easy to use & 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 amp; 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 Specification: Weight Approx:55g Size Approx:9.5 x 5 x 1.5