Functions:
GPS Course Return:
Direction, distance, speed
GPS course return selection

Altimeter:
Altimeter range(-700 to 9000m/-2296 to 29500ft), with 1m/feet accuracy.
Max./Min. memory for altitude.
Altitude history and graphical display of the last 24 hour altitude readings.
Altitude total gain or loss: 44999 meter/feet range.
Sea level altitude setting.
GPS distance, speed, erect ascending/descending rate, course return record.

Barometer:
Pressure range 300hpa to 1100hpa(8.84inHg to 32.44inHg)
Resolution of 0.1hpa(0.01inHg)
24 hour pressure history and graphical display
Electronic pressure weather forecast(sunny, slightly cloudy, cloudy, rainy)
Pressure trend indicators
Sea level air pressure setting.

Compass:
Direction
Angle

Thermometer:
Range from -20℃ to 60℃ (-4℉ to 140℉)
℃ and ℉ selectable
Max./Min. memory for temperature

Hygrometer:
Relative humidity(20% - 95%)
Max./Min. memory for relative humidity

Time:
Hour, minute, second
Year, month, day, date
Alarm clock
Time zone setting


Specifications:
Material: Plastic
Dimension: 10 * 6.5 * 2cm / 3.9 * 2.6 * 0.8in
Weight: 75g / 2.6oz
Package Size: 15.8 * 11 * 3.5cm / 6.2 * 4.3 * 1.4in
Package Weight: 126g / 4.4oz

Package List:
1 * Altimeter
1 * Charging Cable
1 * Wrist Strap
1 * Cleaning Cloth
1 * User Manual