What is an easy job to make clear enough dot measurement at close distance? In order to make clear and accurate enough dot measurement, it is always making an easy job after the use of a 5mW 532nm green dot laser module. It is projecting highly visible and bright green laser light from middle wavelength of 532nm green DPSS laser system. In any type of industrial and high tech dot measuring work fields, owing to its good use of thermal emitting system and qualified glass coated lens inside its

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