The laser pointer is much more noticeable than other light colors. Produce clearly visible red beam in the dark. Best suitable kit for astronomers, professors, teachers, doctors, student presentations and etc. Range in darkness: more than 3000 meters Output type: Constant Wave Wavelength: 532nm Output power: 100mW (Class IIIB) Laser color: red Operated by two AAA batteries (included) Body material: brass
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