Altimeter is widely used for adventurous trip, during which you could get accurate information about height, temperature, barometric pressure and so on. Here we are glad to offer you this 8-in-1 ZD-2068 High Performance Multifunctional Altimeter Dark Blue. It contains 8 powerful functions, such as time, date, month, year and compass ect. Each button allows you to get access to respective function. Adopting highly sophisticated technology, this altimeter is durable and reliable to use. In addition, this functional and portable altimeter-barometer will bring you much convenience and make you confident during adventure!                                    Features            A multifunctional device widely used in adventurous tripIt functions as a compass, altimeter, barometer, and thermometerLightweight size and portable to carryProvide high precision time, date, month, year and other useful informationA dependable assistant during your outdoor trip                                                             Specifications            Mode    ZD-2068/8 in 1    <br>
Altimeter Range    -2296~29500fts    <br>
Altimete Resolution Ratio    1 M or 3 Feet    <br>
Barometer Range    350 - 1100hpa    <br>
Barometer Resolution    1pha    <br>
Compass Accuracy    ±3°    <br>
Compass Resolution    1°    <br>
Compass Display Mode    360° with 16C ardinal Point Segments    <br>
Thermometer Accuracy    ±2℃    <br>
Thermometer Resolution    1℃    <br>
Thermometer Format    ℃ or °F    <br>
Thermometer Range    -5℃~50℃    <br>
Function    Year,Month,Date,Time    <br>
Clock Format    24H or 12H(AM/PM)    <br>
LCD Display    Display with LED Backlight(Blue)    <br>
Power Supply    2CR2032 Batteries    <br>
Weight    2.40 oz / 68 g    <br>
Color    Dark Blue    <br>
Dimensions    (3.74 x 1.89 x 0.47)" / (9.5 x 4.8 x 1.2)cm (L x W x H)    <br>
                                                            Package Includes            1 x Altimeter1 x Neck Hung