<p>Multifunctional digital altimeter is based on the technology of electronic bearing sensor and air pressure sensor. It's designed for outdoor use; the detachable lanyard makes the altitude meter a perfect hand-carry or neck-carry device for various outdoor activities like climbing, hiking, fishing, camping and so on.</p> <p>Features:</p> <p>8-in 1 LCD multifunction digital altimeter, with digital barometer, digital compass, thermometer, weather forecast, clock, calendar.</p> <p>LCD display with backlight, easy to read even in dark environments. The digital altimeter can save 256 pcs history altitude and air pressure record for viewing.</p> <p>Powered by a 3V CR2032 button battery; press and hold the 'SET' button for 5s to enter dormancy mode to save battery.</p> <p>Pocket size and light weight, comes with a lanyard, portable and easy to carry.</p> <p>Premium quality material, with great durability. Perfect for outdoor use, such as climbing, fishing, hiking, camping, etc.</p> <p>Note: Size and color may be slightly different due to manual measurement and different light conditions. Thanks for understanding.</p> <p>Specifications:</p> <p>Color: Black \u0026 Yellow</p> <p>Material: ABS</p> <p>Screen: LCD with Backlight</p> <p>Altimeter: -2296~29500ft Range, 3ft Resolution</p> <p>Barometer: 350-1100hPa Range, 1hPa Resolution</p> <p>Compass: 3 degrees Accuracy, 1 degree resolution</p> <p>Thermometer: -5~50 (23-122) Range, 2 Accuracy, 1 Resolution</p> <p>Temperature Unit: \/ Selectable</p> <p>Weather Forecast: Next 12 to 24 hours (Sunny, Slightly Sunny, Cloudy, Rain)</p> <p>Time Format: 12H\/ 24H</p> <p>Time: hour, minute, second</p> <p>Calendar: month, data, year</p> <p>Power Supply: 1 * 3V CR2032 Button Battery</p> <p>Item Size: 93 * 54 * 15mm \/ 3.66 * 2.13 * 0.59in</p> <p>Item Weight: 47g \/ 1.64oz</p> <p>Package Size: 13.8 * 6.5 * 3cm \/ 5.43 * 2.56 * 1.18in</p> <p>Package Weight: 80g \/ 2.81oz</p> <p>Package List:</p> <p>1 * Altimeter</p> <p>1 * Lanyard</p> <p>1 * User Manual (English)</p>