EXSESON Green Laser Disco Pointer Pen Beam with Adjustable Cap to Change Project Design This 10mW 532nm Green Laser Pointer Silver (2*AAA) is exquisite, portable and has extensive applications, it emits green light with a wave length of 532nm. The laser pointer can be transformed into a "disco laser pointer" with its star cap. The portable button is designed as the switch, easy to operate and control. What's more, Body makes the laser light in the night vivid and unique. Also, it features shock resistance due to its metal body. You will feel like in a disco party with your very own Metal laser pointer pen! This green laser pointer optimizes your life undoubtedly! Get one now! Made of high quality material, so it is enough durable for long time using The green laser can be seem as far as the eye can see Power saving, compact and reliable Simply press the button to activate the green laser pointer and release it to deactivate Lightweight and handy design, it is very convenient to put in bags or pockets Perfect for teachers, professors, doctors, managers, engineers and so on