"Improve your outdoor training (and your overall performance) with Suunto's highly precise wrist computers. Suunto is the creator and worldwide leader in high performance electronic instruments for hikers, skiers, and endurance sport enthusiasts. Worn like a wristwatch, computers combine watch functions with sport-specific features for instant information on your performance. Monitor conditions around you for increased safety as well. Accompanying software helps you analyze and track data. Intended for recreational, ground-based use only. Backlight option for night use. Water resistant to 100m (330 ft.). PC interface. CD-ROM. Instruction manual. Mineral crystal glass. Rubber wrist strap. X6 Heart Rate Monitor and Altimeter for mountain climbers, hikers, and runners has compass, weather, hiking, and chrono modes.Also has stopwatch, altimeter, and heart rate limits alarm. Low battery indicator. User replaceable battery. Transmitter belt is water resistant to 20m (66 ft.). Face 1-1/4"", case 2x1-7/8"". Calendar programmed until 2089.3 daily alarms.Metric and imperial units.Compass bearing in degrees.Graphic compasscard.Bearing tracking.Declination adjustment.Resolution 1°.Clinometer.Sea level and absolute barometric pressure.6h barometric trend graph.Weather alarm. Resolution 1hPa/0.05inHgTemperature compensation. Resolution 1°C/1°F.Thermometer display range: -20 - +60°C/ -4 -+140°F.Altitude range up to 9000m/29500ft.Temperature compensation.Ascent/descent rate in different units.Heart rate display, and limits alarm.Closeouts. Finland."