Barometer Altimeter Thermometer Weather Forecast Monitor for Climbing Camping Outdoor Sports Multifunctional with Backlight

Barometer & Altimeter: The atmospheric pressure reading on the screen corresponds to the atmospheric pressure at the current location. The altitude reading on the screen is the sea level at the current location. Press the [ALTI/+] button to switch between altimeter and barometer functions. Relative Altitude: Monitor the rising or falling altitude from a specific location, or the relative altitude of a mountain or object, etc. Weather Forecast: In addition to detecting altitude, the barometer also helps forecast the weather for the next 12 to 24 hours based on changes in barometric pressure. The effective range is 30 to 50 km. Historical Altitude Recording: Press the [HISTORY] button to view historical altitude and atmospheric pressure readings. It will display the most recent recording in this mode. You can then press the [ALTI/+] or [-] button to navigate through the history recordings. It can store up to 256 recordings, with a maximum recording interval of five minutes. You can adjust this interval from 1 to 60 minutes by pressing and holding the [HISTORY] button for 2 seconds. Power-saving design: When you don't want to use the device, press and hold the [SET] button for 5 seconds. The device will stop displaying anything and enter standby mode. Pressing any button will then resume the previous display. Backlight: In any mode, it can provide a backlight for 5 seconds when you press any button. Product Description Material: ABS Thermometer: Celsius/Fahrenheit format Clock: 12-hour or 24-hour format Calendar, backlight Power-saving design: automatically starts altitude measurement