300mW Green Laser Application: * Flashlight pointer green laser 300mw can be used in museums and all kinds of exhibitions * Best guide for the climbers and people in mountainous areas, to point out the faraway target and sending out the SOS signal * For outdoor adventure, distant targets and instructions sent out distress signals to let your travel be more happy, preferred equipment * The beauty beam light is extreme suitable use at night, which can point out the very right position of the star you are looking * This green laser can measure you the accurate position of the building in the faraway distance by avoiding going close to the dangerous field * Cheap 300mw green laser for astronomical refers to star, green laser beam injection is a very beautiful green line. Well suited for observing the night sky, you can accurately indicate the position of the stars http://www.everyonetobuy.com/532nm-green-laser-pointer-with-adjustable-focus-flashlight-300mW.html