Main Features:Lets you visually confirm that you are lined up perfectly every timeYou will clearly see if you hit the ball off the toe or heel as well as the amount of your errorCan be used indoors or outdoorsEasily attaches to most putter shaftsPerfect for anyone wishing to get more accuracy and proficiency on the putting greenSpecification:Material:PlasticPowered by:button battery(included)Size: 6.5 x 2.4 x 2cm(approx.)Note:Due to the difference between different monitors,the picture may not reflect the actual color of the item.We guarantee the style is the same as shown in the picturesDue to personal measurement technique is different,there may be 0.1-2cm error of the physical.Thank you!Package Included:1xGolf Putter Laser PointerPacked Safely in Bubble Bag.