Altimeter: Digital range from –2296ft(-700m) to 29,500ft(9000m) Stores 20altimeter data readings with altitude, time and date 1ft(1m) display increments: 3ft(1m) sensor resolution Accumulated and maximum altitude reading Barometer: Digital – pressure updated every minute Resolution 1mbar Working range from 300mbar to 1100mbar Bar chart for barometric trend for the past 24hours Weather forecast Compass: Digital compass with adjustable declination Resolution 1degree with 16cardinal points Single or continuous reading Levelling bubble for increased accuracy Temperature: Digital thermometer with 0.1degree resolution Working range from –4F(-20C) to 158F(70C) Time: Time with hour,minute,second,month,date and weekday User option for 12/24-hour format Alarm: 2daily alarms and hourly chime signal 20second alarm sound Chronograph: 1/100-second-resolution chronograph 24hour working range Lap/Split display 100lap memory capacity in a maximum of 30runs

Anodised Aluminium Carabiner 
Rubberised grip
Water resistant to 33ft (10m)
3 second EL backlight
One CR2032 user-replaceable battery
4” x 2.¼” x ¾” (10.2 x 5.7 x 1.9cm)