"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. S6 Altimeter for mountain enthusiasts has altimeter and clinometer to measure vertical speed. Chronograph records maximum and average speed, as well as slope angle. Barometer and compass. Face 11?4”, case 2x17?8”. Easy to use menu-based user interface.PC interface software and cable.Full access to SuuntoSports.com.Altimeter: altitude, vertical speed, altitude alarm, asc/dsc alarm, real time cumulative descent and number of runs, altitude profile memory capacity for different recording intervals 33h/10s, 200h/60s, interval reminder, alti/baro lock.Barometer: sea level pressure, absolute pressure, weather trend graph, temperature, 48-hour memory, weather alarm, alti/baro lock.Compass: bearing, graphic compass rose, bearing tracking.Ski chronometer: degree of slope, speed, maximum speed, average speed and vertical drop for individual runs. Watch: calendar, 3 alarms with date option, dual time, chrono with unlimited split/lap times.Changeable units (metric/imperial).Button lock.Backlight option for night use.User-replaceable battery.Closeouts. Finland."