The use of laser pointers： Teachers / lecturers, as the laser pointer, used in classroom teaching, make you in any corner of the classroom can easily show the blackboard is definitely the teachers assistant!The laser power for this purpose is generally less than 30mW. Business people / conference speakers – for product presentations and conference ...
Some people wanted to use the laser torch to drive crows and kill small insects.However, many people do not know what kind of laser pointer appropriate.Really you can kill pests with an ordinary laser flashlight? Can you drive crows?Today we use a 3W Blue laser pointer to test the insects on the tree.Let’s see it.
Let’s check the most powerful blue laser beam in different scenes — 5000mW blue laser pointer.
