The Vivilux Rechargeable Laser is the perfect tool for zipping your way down precise lines of light during your sewing and quilting projects. Simply attach the laser to the hook and loop tape onto a flat surface on your machine to experience the benefits of high-end sewing machines! Features 3 interchangeable heads for different types of lasers: line, crosshair, and dot. It lasts up to 14 hours of usage and fully charges in 3 hours.