Simply push the button then you can see the striking green beam of light shoot forth
It will be used to point at any desired targets on projection screens,
video monitors, and presentation graphics
Also can be used for forensics, illumination, indicating, alignment,
sky pointing (astronomy) or just being cool
Output Type :Fixed focus, continuous output and working time of over 5,000 hours
Best choice for teachers, professors, doctors, Presentation, Tutorial, and Office Meeting and so on.
Clearly visible in the dark.
Power : 2 x AAA Battery (NOT INCLUDED)
1 x Small Laser Pointer