</br> Description:</br> 100% Brand new and high quality</br> Material: ABS</br> Weight: 60g</br> Size: 90 x 50 x 20 mm</br> 8 in 1 Function: Digital altimeter, with digital barometer, digital compass, weather forecast, time, calendar, thermometer, and backlight.</br> The device is based on the technology of electronic bearing sensor and barometric sensor.</br> The digital altimeter is designed for outdoor use, the detachable string makes the digital compass a perfect hand-carry device for various outdoor activates it will give you backlight when you press any button in any time.</br> Altimeter: -700-9000m / -2300-29500ft</br> Weather forecast</br> History Altitude record : 256pcs records</br> </br> Compass</br> Show bearing in degrees and cardinal point</br> 8-Azimuth display mode</br> Accuracy: ±3</br> Resolution ratio: 1 degree</br> </br> Thermometer: Measure Range: -10℃～+60℃ (In ℃ /℉ Format)</br> Weather and time</br> Forecasting weather condition: Sun – half – cloudy – sunny rainy days</br> Clock: In 12 hours or 24 Hours format</br> Calendar</br> Backlight</br> Leveling bubble for increased accuracy</br> Battery: by 2 x AAA batteries (Not included)</br> </br> Package Content:</br> 1 x 8 in 1 digital altimeter</br> 1 x Rope</br> 1 x English manual</br> </br> Attention:</br> 1. To avoid the rain, moisture, high or low temperature conditions used (operating temperature: 0 ℃-50 ℃ storage temperature-20-70℃).</br> 2. Avoid perfumes, alcohol, cleaning agents and other corrosive substances.</br> 3. Avoid to stand near the concrete/steel buildings.</br> 4. Avoid to near the power station.</br> 5. Avoid to the household electrical appliances (such as computers, TV, VCD, fax machines, speakers, etc).</br> 6. Avoid by a large number of iron and steel, or very close to the metal bridge built.</br> 7. Avoid in the moving vehicle (car, train, plane).</br> 8. Avoid near or on metal plate surface.</br>