This unit has a ball marker on the top you can see it in action at smartcaddyusa.com Use this when there is dew on the course or green in the morning or when you have your putter wedge and 7 iron and want to walk up to the green and your buddy takes the cart up.You can get this for the golfer that has it all except for the Smart Caddy in his bag.It only weighs 1.5 lbs and hangs in or on your golf bag.Imagine how much more golf you can play never having to bend over and pick up the flag stick or your clubs ever again.You cant loose your clubs if they are leaning on the smart caddy. Your clubs are dry and accounted for and your back will love you too.