It has been tremendous so far. Worked right out of the box with no set-up process or calibration, etc. it operates from a single button to identify the target, and it gives you a slight (goo.gl/BJqqU) vibration when it locks on the target. Not only do I find the exact distance to the pin, I find the distance it is across the pond and/or over that lurking bunker. I know that it is responsible for taking some strokes off my score but the short game is still my responsibility. www.youtube.com/watch?v=Dc-Y0xb9mn4