It rotates to allow the shooter to shoot from anywhere on the court and uses a magnetic sensor that is placed on the rim to calculate the percentage of your made shots. Feel free to ask any questions. The item "Shoot-A-Way 8000 series" is in sale since Monday, December 19, 2016.This item is in the category "Sporting Goods\Team Sports\Basketball\Training Aids". The seller is "corcalderban_0" and is located in Fort Lauderdale, Florida. This item can't be shipped, the buyer must pick up the item.