100% brand new and high quality 
The device is based on the technology of the electronic bearing sensor and barometric sensor.

The digital altimeter is designed for outdoor use; a removable row makes digital

Compass is the perfect arm-lining for pens for a variety of outdoor activates it will give you backlight

When you press any button at any time.

Features: 
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 an electronic bearing sensor and a barometric sensor. 
The digital altimeter is designed for outdoor use; a removable row makes digital

The compass is the perfect arm-lining for pens for various outdoor activates. 
He will give you the backlight when you press any button at any time. 
Weather forecast for the next 12-24 hours based on barometric pressure changes.

 

Options:

Altimeter: -2300 ~ 9000 m / -700 ~ 29500ft 
Weather Forecast 
Resolution: 0.1 mbar, 0.1oC 
The history of the record height of the piece: 256 pcs. Records 
Compass: show bearing in degrees and cardinal point 
Thermometer: format ° C / ° F 
Clock: format 12 hours or 24 hours 
Battery: 2 AAA batteries (included) 
Dimensions: app.9.1x5.2x1.8cm / 3.6x2 .0x0.7in 
Color: Black 
Quantity: 1 pcs.

Package includes: 
1 x 8 in 1 digital altimeter 
1 x strap

Note:

Due to the difference between different monitors, the picture may not reflect the actual

The color of the product. Thank!