Electronic Altimeter Carabiner Handheld Thermometer Outdoor Fishing Weather Forecast Mode Meter Gadget

1. Long press the [SET] button for 2 seconds, 24Hr flashes, press the [ALTI/+] button to switch between 24Hr or 12Hr
2. Press the [SET] button to enter the time setting, at this time the hour digits flash, press [ALTI/+] or [-] to set the hour value
3. Press the [SET] button to flash the minutes, press [ALTI/+] or [-] to set the minutes
4. Press the [SET] button to flash the calendar year number, press the [ALTI/+] or [-] button to set the year value
5. Press [SET] button to flash the calendar month number, press [ALTI/+] or [-] button to set the month value
6. Press the [SET] button to flash the calendar date number, press the [ALTI/+] or [-] button to set the date value
7. Press the [SET] button to flash the temperature unit Celsius, press the [ALTI/+] button to switch between Celsius or Fahrenheit
8. Press the [SET] button and the air pressure unit flashes, press the [ALTI/+] button to switch to the air pressure unit /inHg/mmHg
9. Press the [SET] button to flash the height unit M, press the [ALTI/+] button to switch between the height unit M or FEET
10. After the setting is completed, press [HISTORY] to exit the setting state, or automatically exit the setting without doing any operation within 10 seconds
colour:Black grey
Material:ABS
size:9 x 5 x 2cm

Package Contents:
1 x altimeter barometer
1 x English manual
1 x CR2032 button battery (not included)

Only the above package content, other are not included.
Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.