Have you imaged if you can stretch your hand to the sky? Or do you want to point at any desired targets miles away without appearing in person? This is a new product,touch very well,the power output is 5mw. And output working time is longer than ordinary laser pen,working time is very long. This 5mW laser pointer pen can help you make your dream come true. This 473nm laser pointer pen not only can help you to point at targets in distance, but also can bring you a lot of fun. The 5mW laser pointer pen is a cross between a laser pointer and an incredible kaleidoscopic laser show in your hand! The blue laser pointer has a diffraction grating at the end. Just like the old kaleidoscopes you can twist this 5mW laser pointer pen at the front lens ring to give you constant amazing changing laser star light. This laser pointer pen is perfect for astronomy, presentation, tutorial, and office meeting use! Please do not miss this blue laser pointer out! Get one for yourself or your friend right now!