The left eye and the right eye will produce two different images in the brain, which may cause errors. In table games like billiards and billiards, you will never underperform again! It hits the cue ball perfectly every time, allowing you to see the wrong operations that you previously ignored.Product description 1. You can cover all possible shooting angles and lengths! Even better, the laser is also designed to draw a line on the table, so direct shooting becomes a breeze. 2. Billiard cue laser sight, suitable for all kinds of billiard cue, can help you quickly become a professional, and it is also the best gift for beginners. 3. The practical laser collimator can accurately detect the collision between the bulb and the object ball and the walking and impact positions, thereby improving the accuracy.Product attribute Name: Billiard laser sight Material: ABS Battery model: 14250 rechargeable battery (not included)Warm reminder 1. Please remember that due to the lighting effects, the monitor's brightness / contrast settings / etc's, there will be some slight differences in the color of the pictures and the actual items. Measured by hand, deviations of 1-2 cm are possible. 2. Please leave us a message if you have any questions. We will respond and offer you our best service.