Garmin Approach G12 Clip-on Golf GPS Rangefinder - Clip this thin GPS golf range finder to your pocket or golf bag to see distances to the green at a glance on more than 42,000 courses worldwide - for up to 30 hours on a single charge. Mount it wherever you need it by using the built-in clip and lanyard loop.; You probably won't play all 42,000+ preloaded courses, but it's nice to have the option.; Big Numbers Mode means you won't squint to see the precise yardage measurements.; Compete, compare and connect with the Garmin Golf app on your compatible smartphone.; Paired with Approach CT10 club trackers, you'll be amazed at how accurately this thing tracks your shots.; Hit the course more between charges with up to 30 hours of battery life.;