For sale $25.00 brand new in box 1 year sell on warranty sell for 57.00 on Amazon
Features:
Adopt super-accuracy sensor from Swiss.
Incorporates GPS, altimeter, barometer, compass functions, etc.
Thermometer, hygrometer, time, date, alarm clock.
Altitude total gain/loss, 24 hours altitude record and chart.
Max/min altitude, temperature, huminity record.
24 hours air pressure trend chart.
Built-in rechargable battery.
LCD backlit and LED torch.
IPX 4 waterproof. (Do NOT submerge in water.)

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