The 5mw lasers are the safest laser pointers to use. Output power 5mW, clearly visible laser beam in the dark. A small type pen is convenient to carry. Low power laser often used in the field of presentation and a lot of business trip conference presentation. provide various kinds of 5mw laser pointer. Pen style laser, laser sight, green laser, red laser, violet laser, two color green red laser. The best one, get your money's worth.