... for outdoor enthusiasts seek for extreme. It features six function, digital altimeter, barometer, thermometer, compass, weather forecast and time. All functions ... to carry using the strap or key chain included.Parameters6 in 1 -Altimeter-2,296 fi to 29,500 ft. RangeResolution of ... Rain-TimeTime with hour, minute, second 24h format clock display 6 in 1 Outdoor Multifunction Digital Altimeter