Size: 90 x 50 x 18 mm
Digital altimeter, with digital barometer, digital compass, weather forecast, time, calendar, thermometer, and backlight.
This device is based on electronic bearing sensor and barometric sensor technology.
Designed for outdoor use.
Altimeter: -700 to 9000m / -2300 to 29500ft
Weather forecast
History Altitude record: 256pcs records
Compass: shows bearing in degrees and cardinal points
Thermometer: In �C / �F format
Clock: In 12 or 24 hour format
Calendar
Backlight operates when you press any button.
Battery: 2 x AAA batteries ( Not included)