- different types of laser pointer can show different colors of light, and the apparent brightness of a spot from a laser beam depends not only on the optical power of the laser and the reflectivity of the surface,
- but also on the chromatic response of the human eye.
- the laser pointer can be used to highlight something of interest by projecting a small bright spot of colored light onto it.
- it can be used in different areas which include educational and business presentations, architecture, astronomy, camp and adventure, and entertainment etc.100 to 300 ft.
- during the day and up to 1000 ft. at night. up to 50 times more powerful than most other laser pointers.
- just remove disco light effect cap from pen to get straight pointer light for presentation.powered by 2 x aaa batteries ,if batteries are not working properly then use another one for better laser light pointer.
