[ ] Highlights...  Extremely portable Professional design Amazing 4 laser designs High quality construction Excellent for presentations Pen-style green beam laser pointer Notes from Manufacturers Easy to change the included laser caps and have with with the designs Rotate laser head to achieve pattern design movement, such as starry patterns Use your powerful laser pointer to point at any desired targets such as projection screens NOTE: Avoid direct eye exposure to laser beam (any contact to the human eye can cause permanent damage). Never expose your eyes or anyone else’s to the laser beam. Notes from Ankaka Customer Service What is the maximum distance that the laser can reach? The laser is strong enough to reach across any room, and is best to use at night or low light conditions for clear visibility. [ ] To see more Ankaka laser gadgets: [ ]