Item Type: Digital Altimeter Material: ABS Function: Weather Forecast, Altimeter, Barometer, Clock Battery Type: 1 x CR2032 Battery (Not Included) Package List 1 x Digital Altimeter 1 x Instruction Manual 1[Sensitive And Accurate] Multifunctional digital altimeter barometer is based on barometric sensing electronics with full screen digital display of weather forecast and altitude. 2[Backlight Function] Outdoor electronic digital altimeter screen with backlight function, so that you can clearly see the readings on the LCD screen no matter in any environment. 3[Use Scenario] Multifunctional altimeter barometer, also with weather forecast and clock function, convenient for your travel, suitable for hiking, climbing, camping and other activities. 4[Outdoor Equipment] Digital altimeter barometer is the ideal simple equipment for outdoor sports enthusiasts, providing extensive and necessary environmental information. 5[Compact And Portable] Handheld digital altimeter, very light and comfortable, designed with an ergonomic handle, easy for you to hold in your hand, also can be put in your pocket.