If you do not know how to selected it from these laser pointers for sale, the following description may help you:
If you are a teacher, select a less than 30MW laser pointer,It will be your right-hand man. Whether you anywhere in the classroom, you can point blackboard easily, Handy!
If you are a outdoor travelers or explorer, It can indicate target in a far distance and issued a Help signal. Make your trip more interesting and the key moment also help you, So it is the preferred equipment for outdoor activities to you. Laser pointer for this purpose, its power is generally between 50MW to 150MW.
If you are a guide of the museum or the exhibition hall, I suggest you choose it that between 30 - 50MW laser pointer for sale. When you are unable to reach the target, it can help you easily and accurately pointed out the goal!
If you are a mining site or construction workers, You should use it that higher than the 100MW from laser pointer for sale. It can measure distance and accurate instructions the buildings, to avoid approaching the danger area, as you command the scene in the 1000 meters away!
Happy working, easy living, these laser pointer for sale from China YOTANG(http://www.yotang.com/) are on special sales!