Mezzotek 5Mw 532NM Astronomy Green Beam Light Laser Pointer Pen Class 3A Black This is a laser pen with green pointer of 532nm. It is perfect for teachers, students, engineers, doctors, managers and more. In addition, it is lightweight and handy, easy to carry and suitable for put in your pocket or handbags. Description:* Perfect for teachers, students, engineers, doctors, managers and more.* Design with clip, can hold it in pockets or clip on notebooks* Lightweight and handy, suitable for put in your pocket or handbags* Well tested and high quality green laser pointer.* Easily to use, only need to push the button then you can see striking green beam of light shoot forth. The light can point at any targets, such as photos, blackboard, video monitors and so on.* Best choice for teachers, professors, doctors, and so on.Specification:* Clearly visible in the dark.* Output Type :Fixed focus, continuous output. Dimension :14 x 160mm* Output power: 5mW* works with 2 AAA battery Package Includes:1*Green Beam Light Laser,