The economical Foretrex 101 is the wrist-mount GPS that frees up your hands so you can focus on your outdoor activities. This product joins the Foretrex 201 in Garmins growing line of wearable, wrist navigation devices. The Foretrex 101 has all the features and functionality of the Foretrex 201, including PC interface capabilities for downloading waypoints, tracks and routes, but operates on two AAA batteries.Its easy-to-use interface and basic GPS capabilities are perfect for outdoor enthusiasts who would rather replace the batteries than recharge the unit in the field. This unit features Garmins intuitive operating logic, utilizing six dedicated buttons to simplify navigation. Whether its a campsite, deer stand, or other place of interest, users can mark its location, identify the waypoint, and navigate to it later using the GoTo function. Also, with the help of Garmins exclusive TracBack technology, users can retrace their steps by following an electronic breadcrumb trail back to their original starting point.Because the unit is waterproof, the Foretrex 101 is a natural companion on watersport adventures like kayaking, canoeing, boating and sailing. In fact, this device incorporates another feature found on the Foretrex 201 a sailboat-racing timer. Competitors can configure the countdown sequence prior to the start of the race and utilize their GPS location to be in the best possible tacking position when the race begins.