New presentation pen style 20mw green laser pointer is light and handy. Output power 20mw, laser beam is visible in the dark, this type of product could suitable for any ages. We also have 20mw LED laser for your kaleidoscopic, the multi-function laser is the best smart presentation laser in meeting with a lot of business trip, such as study group. Many styles of presentation 20mw laser pointer here just waiting for you to choose!