Here is 50mW Green Laser pointer to you. Comes with a starry head to emit a beautiful starry pattern. A perfect choice for business meetings, classroom presentations and safe home laser experimentation. The click-on, click-off switch allows hands-free operation and easy use when continuous operation is required. Five to ten times more visible than common red Laser Pointer . APC (Automatic Power Control) is a system that uses an optical feedback loop to ensure stable laser output. With the look of a convenient mini flashlight is great to own and even better to give as a gift!