AMTAST Barometer Altimeter Thermometer Weather Forecast Monitor for Climbing Camping Outdoor Sports, Multi-Function with Backlight
- Barometer & Altimeter: The air pressure value on the screen is the air pressure at the current location. The height value on the screen is the sea level of the current location. Press [ALTI/+] button to switch the use of altimeter and barometer..
- Relative Altitude: Monitor the ascending or descending altitude from one certain location or the relative altitude for any mountain or object etc..
- Weather Forecast: Apart from detecting the altitude, barometer also helps to forecast the weather for the forthcoming 12 to 24 hours basing on barometric pressure changes. The effective range is 30-50kms..
- History Altitude Record: Press [HISTORY] button, you can view records of history altitude and air pressure. It will display the most previous record in this mode, then you can press [ALTI/+] or [-] button to forwards or backwards view history records. It can save most 256pcs records, the records’ distance are five minutes, and you can change the distance from 1-60 minutes if you press and hold [HISTORY] button for 2 seconds..
- Save power design: When you don’t want to use the device, you press and hold [SET] button for 5 seconds, the device will stop all display enter into dormancy mode. And then you press any button, it will resume previous display. Backlight: ....