Item Type: Altimeter <br>Material: ABS <br>Battery: 2 x 1.5V AAA battery, shipped without battery. <br>Barometer Range: 350-1100hpa, resolution: 1hpa. <br>Altimeter Range: -2296ft ~ 29500ft, resolution: 3ft.<br>1、Better Guiding: Able to test atmospheric pressure and altitude, the altimeter will bring more convenience to your outdoor activities. <br>2、Other Function: Can also display time, direction, position, temperature, weather forecast and more, the barometer will improve safety. <br>3、Practical Uses: Enables wide application in hiking, camping, mountain climbing and so on, the multifunctional altimeter is a must have. <br>4、Clear Viewing: Digital display together with backlight function ensures clear viewing even in the dim light, and very easy to operate. <br>5、Easy Carrying: Lightweight and compact, the thermometer also has a hole on the upper left, so you can tie a lanyard and carry it easily.1 x <br> <br>Altimeter<p>1 x User Manual</p> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.