Looking for an accurate navigation system for your wrist? Perhaps the Garmin Foretrex 401 meets. With this walking GPS you always know where you are and which route you have walked. The device leaves behind a digital crumb trail, so you know exactly how and where you walked. Use the barometric altimeter to see at what height. If you have not set waypoints, you can easily navigate with the 3D compass. Here you can feel free to do something about. The device operates on 2 AAA batteries that last 17 hours. With the Foretrex 401, race sailors and paragliders are also at the longest end. The special competition software provides timely instructions and ensures a flying start.