... 3, With Guarantee 4, Small MOQ Description:Size: 90 x 50 x 18 mm 8 in 1 Function: Digital altimeter, with digital barometer ... , digital compass, weather forecast, time , calendar, thermometer , and backlight. Altimeter : -700 ... :by 2 x AAA batteries 2012 HOT 8 In 1 Multifunction Digital LCD Compass Altimeter Thermometer Barometer