someone do I a real favor by keep my old gp when I lose it on the course . I sit for day wait for the course to call with the wonderful news that it have be find ... do not happen . I start look at the other gp ad and find this system . wow , now I own the simplest system out there and with great accuracy and ease of operation . Ladies this one be great ... go buy it now and enjoy the envy of the other when they ask for the correct yardage on you next round !