AltiTech 2 Features: Altimeter · Digital Altimeter · Working Range from -2,305ft to 30,045ft (-702m to 9,158m) · Current, Accumulated and Maximum Altitude in Feet or Meters · Altitude Resolution 3ft (1m) · Graphic Altitude Trend Display · Stores 20 Altimeter Data Readings with Altitude, Time, and Date Barometer · Digital Barometer · Sea Level Pressure and Absolute Pressure Displayed in mbar · Resolution 1mbar with Working Range from 300mbar to 1100mbar · Bar Chart for Barometric Trend for the Past 24 Hours · Barometer/Temp Display · Weather Forecast Compass · Digital Compass · Displays Bearing in Degrees and Cardinal Points · Resolution 1° with 16 Cardinal Points · Adjustable Declination · Leveling Bubble for Increased Accuracy · User Option for Single or Continuous Reading Thermometer · Digital Thermometer · Resolution 0.1° in °F and °C · Working Range 14°F to +122°F (-10°C to +50°C ) Chronograph · Resolution 1/100 second with Maximum Time Range 24hr 00min 00sec · Maximum 50 laps/20 runs · Times for Each Lap and Split, with Best and Average Laps Time Watch · Time/Day/Date/Month with Dual Time Zone · 12 or 24 Hour Format · Time/Temp Display · Dual Daily Alarm · Hourly Chime · Anodized Aluminum Carabineer · EL Backlight System · Water Resistant 10m · 4' x 2-1/4' x 3/4' (10.2 x 5.7 x 1.9cm) · 2.0 oz (56.7 g) · Consumer Serviceable Battery (CR2032)