1.outdoor altimeter with compass 2.barometer & thermometer & weather forcast 3.stopwatch & timer 4.water proof 5.CE & ROHS

professional outdoor altimeter with compass

wrist watch altimeter

1.altimeter & compass & barometer & thermometer & weather forecast

2.relative height measurement

3.record the highest and lowest altitude automatically

4.altitude alarm

5.climbing speed measurement

6.record the total height automatically

7.metric version and imperial version altermative

8.calendar & time

9.chronometer & timer

10.EL backlight

11.titanium metal case

12.30M waterproof

13.battery:CR2032

SIZE: 47.5*250*15.3mm

professional outdoor altimeter with compass