Garmin Edge 305 GPS

Features

     High-sensitivity GPS receiver knows your position even in tree cover and canyons, making it extremely reliable for navigation
     Features a wireless heart rate monitor to eliminate cross talk and interference and send accurate heart rate data
     Easy-to-install: no calibration required; just snap it in the included bike mount and go
     Course lets you "race" against a recorded course to try to match previously set speeds at every point along the way
     3.7Hx1.75Wx0.9L"; 0.19 lb.
     Handheld GPS Unit