Do you want to own such a stuff which can radiate a beautiful green laser beam? If so, please have a look at this 5mW green laser! This is green laser sight which is made of aluminum material, durable enough for a long time using. The high power green laser is powered by CR123 lithium battery. The green laser sight is widely used in astronomy, presentation, tutorial, and office meeting use! You also can use this green laser sight to point at any desired targets on projection screens, video monitors, and presentation graphics without appearing in person. This green laser sight is a very good star-pointer, and it is commonly used for meetings, museums and all kinds of exhibitions. Choose one of these green laser pointers for yourself or your friend. With the reasonable price, you should not miss this product!