<p>1. This equipment is an equipment for outdoor sports enthusiasts.</p> <p>2. Provide outdoor sports enthusiasts with rich and accurate information, such as electronic altimeter with backlight (weather forecast + altimeter + compass + barometer + clock).</p> <p>3. Functions: altimeter, barometer, level, weather forecast, compass, thermometer, calendar, time, backlight.</p> <p>4. Scope of application: Hiking, camping, mountain climbing, and other outdoor places.</p> <p>Batteries:2 x AAA batteries (not included)</p> <p>altimeter:</p> <p>Measuring range:-700m-9000m(-2300-2950ft) (initial test can calibrate the altimeter)</p> <p>Resolution:1 meter or 3 feet</p> <p>barometer:</p> <p>Measuring range:300mbar to 1100mbar</p> <p>Resolution:0.1 mbar.</p> <p>Electronic compass:</p> <p>8-azimuth mode display</p> <p>External magnetic field correction</p> <p>Accuracy:3 degrees</p> <p>Resolution:1 degree</p> <p>thermometer:</p> <p>Measuring range:-10 - +60 (, optional)</p> <p>Resolution:0.1 degree</p> <p>Weather forecast and time:</p> <p>Weather forecast 12 to 24 hours from now</p> <p>4 weather conditions:sunny - semi-clear - cloudy - rainy</p> <p>24 hour clock</p> <p>Electronic backlight:5 seconds high brightness blue LED electronic backlight</p> <p>Colour:Gray</p> <p>Material:ABS</p> <p>Package Contents:</p> <p>1 * Altitude measuring instrument</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light reflection 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.</p>