<p>Altimeter:</p><p>1. Display range: -2296 ft to 29500ft  (-700m to 9000m)</p><p>2. Resolution: 1m/3ft</p><p>3. Altimeter measurement: Sea level altitude / Climbing altitude</p><p>4. The highest altitude record automatically during climbing: Available</p><p>5. Altitude gain/loss calculation: Yes</p><p>6. History altitude record: Record altitude every 30 minute</p><p>7. Unit: M and Ft unit switch available</p><p> </p><p>Barometer:</p><p>1. Display range: 300hpa to 1100hpa (8.8 to32.6inHg)</p><p>2. Resolution: 0.1hpa</p><p>3. Unit: Millibar and INhg unit switch available</p><p> </p><p>Thermometer: </p><p>1. Display range: -20℃ to 60℃ (-4℉ to 140℉)</p><p>2. Resolution: 1℃ / 1℉</p><p>3. Unit: Celsius and Fahrenheit unit switch available</p><p>4. History temperature record: Max / min temperature record</p><p> </p><p>Hygrometer</p><p>1. Display range: 20% ~ 95%</p><p>2. History humidity record: Max / min humidity record</p><p> </p><p>Compass</p><p>1. Display mode: 360o with eight directions</p><p>2. Resolution: 1°</p><p> </p><p>Weather forecast</p><p>1. Forecast: Forecast for future 12 to 24hours weather</p><p>2. Four weather status: Sunny-Slight sunny-Cloudy-Rain</p><p> </p><p>Time & Date</p><p>1. Display mode: 24H or 12H available</p><p> </p><p>LED torch</p><p>1. LED torch: High-light LED torch</p><p> </p><p>Others:</p><p>1. Backlight: 5 seconds high-light LED backlight</p><p>2. Waterproof: IPX4</p><p>3. USB charge</p><p>3. Item weight: 0.31lb / 0.14kg</p><p>4. Product dimension: 3.94x2.6x0.67in / 10x6.6x1.7cm</p><p> </p><p>Quick Guide - Turn ON/OFF:</p><p>Long press silver button in the center. This meter inside is rechargeable battery, usually no need to turn it off. </p><p>Long press silver button more than 7 second scan turn off the meter, but this will lose all data so not suggest turn it off.</p>