The 532nm 5mW Pure Green Laser Pointer is made of high quality metal material, which is durable enough for long time using.And the green laser pointer pen is great for pointing objects from a long distance. This green laser pointer pen gives out 532nm waves. The delicate feature and sturdy construction of this cheap laser pointer have fascinated millions of people who have a preference for laser pointers. This high power laser pointer is the right choice for astronomers, teachers, lecturers, engineers, etc.With a high power beam output and quality construction, this laser pointer is guaranteed to be a great item. Choose one right now!