Digital Altimeter - Abs Material, 90x50x18 Mm, Altitude Range: 700~9000 M, 8 In 1 Functionality, Weather Forecasting, Backlight Feature

8 in 1 Function: Digital altimeter, with digital barometer, digital compass, weather forecast,time, calendar, thermometer, and backlight.
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 digitalcompass a perfect hand-carry device for various outdoor activates.
It will give you backlight when you press any button in any time.
Forecast the weather for the forthcoming 12 to 24 hours basing on barometric pressure changes.