Welcome to this page! What you are viewing is 5mW 532nm Open-back Green Laser Pointer Pen. This high power 532nm laser pointer is widely used in many applications and industries including the military, medical, astronomy, teaching and so on. Easily to use, only need to push the button then you can see striking green beam of light shoot forth, and you can use this 532nm green laser pointer for a long time. The green beam laser pointer is powered by 2 AAA batteries. This 5mW laser pointer can emit 5mW 532nm constant waves. Also it can create strong green beam which is visible in broad daylight. Certainly, the powerful 532nm laser pointer is also a best choice for daring spirits who conduct ceaseless exploration in laser technology as well as the boundless universe. This green laser pointer is a perfect choice for your demands! Why not get one for yourself? You will never regret!