Golf Voice Golf GPS Device Caddietech X1+ X1 Plus Golf GPS Rangefinder Hat Clip Type Measuring height (BLACK) Ultra slim & light - Only 0.85oz weight and 0.31inch height makes your play more comfortable. You can even wear it on the cap, the belt, and everywhere! Do not make anything bother you during the play. Water proof X1+ - has IPX4 water resistant so can be used on rainy day. Talks and Sees - Simply push buttons. X1+ tells and shows you the more accurate distances whenever and wherever you need. You can use both or choose what you prefer to. It informs you the distances where you are standing to the front, center, and back of greens. You dont have to guess anymore. Driving Distance - Have you known your exact driving distance? Or your longest and shortest? X1+ helps you to know how far you hit the ball and make your record. Measuring height(X1+ only) - X1+ has very special function which can give you the height from where you are standing to the flag. If you struggle for up and down hill, X1+ is your perfect solution.