Astronomy Green Laser Pointer with rubberized black finish.Perfect for presentations in a lit room or outside. This pointer emits a powerful beam of light, visible in the darkness, to show the exact position of a star or show the contours of a constellation. This laser has a range of several kilometers, giving the impression of creating an infinite beam when pointing to the sky. Note: Laser pointers over 5 mW of power, are for professional use only.
Warning! These lasers emits radiation that can be harmful to the eye. Do not look directly into the laser aperture. Direct viewing of laser beam at close range may cause eye damage. (see laser classification)