STORKLER Multipurpose Laser Light Disco Pointer Pen Lazer Beam with Adjustable Antena Cap to Change Project Design for Presentation (600 nm, GREEN)  (600 nm, Multipurpose Laser Light Disco Pointer Pen Lazer Beam with Adjustable Antena Cap to Change Project Design for Presentation (600 nm, GREEN))

STORKLER Easily to use, only need to push the button then you can see striking green beam of light shoot forth. Best choice for teachers, professors, doctors, and so on. In addition, it is lightweight and handy, easy to carry and suitable for put in your pocket or handbags. Features: Visible Beam You can focus the beam to the smallest. You can see beautiful and strong green laser beam at day time. It has safety lock function with keys, you can turn the key to the red point to lock it.