Summary: I do like this Sky Caddie. It is run by batteries but if you use rechargeable one it is no worse than the ones charged on the computer. The best part of this caddy is that it hold 15 courses instead of the usual 10.
Summary: Although it came without instruction,(and me being " E " illiterate ), it was fairly easy to figure out. Once I got it functional, (joined skycaddie ), it performed beautifully. Good graphics, spot on for distance, bright screen, good battery life. I wish I did this years ago. I've only played a few rounds and feel it has saved me at least 3-5 strokes already. Can't really compare it with other products, its my first device of this nature. I like it.