swopply Green Laser Light Disco Pointer Pen Lazer Beam Adjustable Antena Change Project(15 nm, GREEN)

About this product

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. This laser pointermonly used for conference presentations and product demonstrations, letting your speech more freely andmunicate more easily and naturally. In astrometry, the beautiful green laser beam from laser pointer is suitable for night sky observation which can point out the position of the star you are looking at. In architecture, this laser can measure the accurate position of building in the faraway distance without close to the dangerous area. In tourism, it can be used to explain the scenery in the distance or all kinds of exhibitions, a good guidepanion for your travel.