SUNDERPOWER 8 in 1 Digital Multifunction LCD Compass Altimeter Barometer Thermometer

Description:
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.
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 digital compass a perfect hand-carry device for various outdoor activates it will give you backlight when you press any button in any time. Altimeter: -700 to 9000m / -2300 to 29500ft

Weather forecast
History Altitude record: 256pcs records
Compass: show bearing in degrees and cardinal point
Thermometer: In Degree Celsius / Degree Fahrenheit Format
Clock: In 12 hours or 24 Hours format
Calendar
Backlight

Package Contain:
1 x 8 in 1 Digital Altimeter
1 x Rope
1 x English Manual

Note: No AAA battery.