LAD WEATHER GPS-Navigation Altimeter-Digital-Compass Heart-Rate-Monitor Triathlon-Climbing-Jogging-Outdoor-Watch 2 colors are available now. This product is black with negative display. *Other colors are sold on other pages. Please confirm picture at the top before your order. [Functions] GPS -GPS (Automatic) : This watch is synchronize its clock with the satellite's atomic clock automatically.You don't need to bother to adjust the watch. The time is always accurate. -Auto Time Zone (It tries to set your current time zone accoring to the longitude.) Workout functions -Mode (running, Biking, Hiking, Sailing) -measure Lap Time (Up to 99 laps) -Range : 99 houres 59 minutes 59.99 seconds - Altitude, Calories, Latitude/ Longtitude, Heart Rate(Max, Min Average, Current), Distance, Lap (Distance, Number, Time), Pace (Average, Maximum, Current)/ Speed(Average, Maximum, Current), Workout Time, Time of Day Heart Rate Monitor -Target Heart Rate Zone -Heart rate data is stored via Chest strap Navigation functions -Navigation Mode (You can navigate up or down a route until the first or last waypoint has been reached.) -Keep 10 paths(routes) (Each path has a maximum of 99 waypoints) - 3 Navigation Modes (Waypoint, Forward, and Backward Mode) -TrackLog Interval : This watch records your track continuously. It can be set from 1 second to 10 minutes. -Heading Pointer : The pointer always points to the active waypoint when everything it properly set. PC Connection Function -synchronize data between the watch and the PC (Workout data will be shown on the PC screen) -Google earth (Root confirmation) -OS : Windows XP, Vista, 7, 8, 10 /CD-ROM drive: USB port required -Recommended PC environment(CPU: Pentium2 300MHz or more/ Main Memory: 64MB or more/ Free HDD: 20GB or more/ Monitor resolution: 256 colors or more) Digital compass -Magnetic Declination -Calibrating 100 meters waterproof Countdown timer Alarm (Select 1 - 5 Alarms) Calendar function: date, day of the week Contrast: Select from level 3 Lighter to 16 Darker Luminous index [Spec] Case diameter, width: 47mm / Thickness: 20mm Band length: about 140`200mm / width: 21mm Weight: about 62g [Material] Band: Polyurethane Case: ABS plastic / Stainless steel Mineral Glass lens [Attachment] Watch box Instruction Manual(English) CD-ROM USB cable/ Heart rate Chest strap/ Clearning brush