Green laser pointer has a maximum output of 5mW and a wavelength of 532nm (+/- 10nm)Range of beam is 200 metersExpected operating life is 1000 hoursOperates on two "AAA" batteries (not included).
Economical laser pointers are useful for many optical experiments. Lasers operate on a push-button switch, are housed in a rubberized aluminum pen-style case, and include a pocket clip. The lasers are Class 3R, and are each 6" long x 0.5" diameter.
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