jingwei Golf Swing Training Aid Swing Plane Corrector Swing Posture Indicator Indoor Golf Swing Practice
Size:2.6X0.47inch Net weight:0.67oz Battery: 3 X LR44 Button Cell , **When the laser light looks weak or unstable, you may need to unscrew the bottom part of product,and replace the new batteries. Power: <5mw Easy to mounted and Easy to using. Attention: Avoid direct eye exposure. Normally the laser corrector launched a beam ,Not a laser line under bright sunshine.