●This powerful green laser pen 3000mw is currently our most powerful laser. It is recommended that outside and is ideal for astronomical use, its beam is particularly visible at night . Its beam is also visible by day, when the brightness decreases slightly . Range of about 5 km .
Technical parameters:
Key Feature:: Green Laser
Wavelength : 532nm
Beam Color : Green
Output power: 3000mw laser green
Range :5000m
http://www.laserpowerful.com/strong-powerful-green-3000mw-laser-pointer-burn-match.html
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