EDCWDTYYECThe simple type device is ideal for outdoor sports enthusiasts. For outdoor sports enthusiasts provide broad, necessary and more precise information.electronic altimeter . backlight, no matter in any environment, you can clearly see the reading on the LCD screen.Scope of application: hiking, camping, mountaineering, and other outdoor places.Material ABSPower Supply 2 x AAA Specifications:1. Altimeter: Measuring range: -700 9000m Resolution ratio: 1 meter or 3ft 2. Barometer: Measuring range: 300mbar-1100mbar Resolution ratio: 0.1mbar 3. Compass: 8-bearing mode display The external magnetic field correction Precision: /-3 Resolution ratio: 1 degree 4. Thermometer: Measuring range: -10 60 degree Resolution ratio: 0.1 degree 5. 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. 6. : with Hour, Minute, Second, 24h clock display. 5 Seconds blue LED backlight. Note:Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!Please allow 1-3cm measuring deviation due to manual measurement.Package Included:1 x Compass