Net Weight: 75g

Size: 90 x 50 x 18 mm

Altimeter : -700 ~ 9000m / -2300 ~ 29500ft

Battery :by 2 x AAA batteries ( Not include )

History Altitude record : 256pcs records

Compass: show bearing in degrees and cardinal point

Thermometer : In ?C / ?F format

Clock: In 12 hours or 24 Hours format

8 in 1 Function: Digital altimeter, with digital barometer, digital compass, weather forecast, time , calendar, thermometer , and backlight

Calendar

Backlight

Weather forecast

The device is based on the technology of electronic bearing sensor and barometric sensor

The digital altimeter is designed for outdoor use, the detachable string makes the digital compass a perfect hand-carry device for various outdoor activates it will give you backlight when you press any button in any time.