They had this deal on Black Friday too, can get 20% of currently but for today only they're offering 30% off.
Normally £225 but with discount it's £157.50. Just enter 'shotscope30'
Good review here: http://www.thehackersparadise.com/shot-scope-shot-tracking-watch-and-software-review/Description:
Shot Scope is the first fully automated performance tracking system for golf. Track your progress based on more than just your score, know your game inside out and make every shot count. Comprising of a wristband and 20 lightweight tags the system works in the background collecting over 100 tour-level statistics to give you accurate and intelligent feedback on your game.
The wristband is comfortable, light and fully adjustable to 11 different sizes to suit every golfer’s wrist. The tags are easily screwed into your grips and weigh only one gram, therefore not impacting your club’s swing weights.
Shot Scope has been designed to have minimal impact on your game meaning no need to carry a phone or manually tag your shots.
After your round, upload your performance data to the Shot Scope dashboard or one of the free Shot Scope mobile apps. See every shot you hit on an aerial map of the course, check that you beat your long drive or find out exactly how far you hit each club.
Shot Scope is suitable for golfers of every level, from amateurs to professionals and works for both left and right handed golfers.