Works incredibly well. I've had to adjust a couple of putts once in a while, other than that, it's just brilliant. Bonus, fairly accurate score keeping, the stats and the hole by hole history rocks. Here's what's missing: 1. You hit a ball out of bounds but just hit another from the tee and there's no way for it to know you took a mulligan. That's no big deal. The key one is in the stats, a number of times you use longer clubs like a 4i to punch out of trouble and back into fairways etc. it will include that short distance in the average club distances also. That sucks, there should be a way to mark and remove �creative' shots from the distances. Oh the biggest negative, there is no way to remove and change batteries, that makes me nervous, if this thing dies before 3 seasons, I'm not getting another one. If it lasts 4, consider me a customer for life. Other than that, it's perfect.