Features:
Adopt super-accuracy sensor from Swiss.
Altitude total gain/loss, 24 hours altitude record and chart.
Max/min altitude, temperature, huminity record.
24 hours air pressure trend chart.
Incorporates altimeter, barometer, compass functions, etc.
Thermometer, hygrometer, time, date, alarm clock, LED torch.
Built-in rechargable battery.
LCD backlit.
IPX 4 waterproof.


Specifications:
Altimeter:
Altimeter range(-700 to 9000m/-2296 to 29500ft)
Resolution of 1 meter/feet
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

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

Thermometer:
Range from -20 Degree to 40 Degree (-4 Degreeo 140 Degree)
Max./Min. memory for temperature

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

Package:
Material: Plastic
Color: Black + yellow
Built-in battery: 300mAh
Item size: 10 * 6.5 * 2cm / 3.9 * 2.6 * 0.8in
Item weight: 70g / 2.5oz
Package size: 16 * 11 * 3.5cm / 6.3 * 4.3 * 1.4in
Package weight: 128g / 4.5oz