The GPS 12XL is all about performance. It features a 12 parallel channel receiver for amazingly fast satellite aquisition and tight satellite lockeven under tree cover. More than just an ultra-reliable receiver, the GPS 12XL is loaded with navigation information including 106 map datums and 7 grid formats, plus advanced orienteering features like user datum/UTM/and user grid formats to define your own map parameters. Store your position as one of 500 waypoints or add it to any of 20 routes.