Features: *High-quality material: Made of high-quality material, wear-resistant, not easy to break, can be used for a long time, sturdy and durable. *Safe and reliable: The wavelength of the red is 520nm, and the maximum output power is less than 5mW. *Precise : The clear red can indicate the position 6-8 meters away, which is convenient for observing the connection between the hole and the hitting point. As long as you keep practicing, the hitting will become more and more . *Lightweight Practice Anytime: This lightweight will help you practice your putt anywhere in the office, living room or backyard. *The plastic in the clip area is flexible and can be attached to the club. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Material: ABS plastic + button battery + s Size: 13*4.5cm Package List: 1 x Golfs Lasers Putter