kaubhi Long Range Laser Presentation Remote Clicker Pen for Indoor Classroom Interactive Teaching, Outdoor Measure Instructions, Puppy Kitten Chaser Tease Stick for Training Exercise(532 nm, green)
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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.
