1Pc Hot Sale Great Powerful Green Laser Pointer Pen Beam Light 5mW Professional High Power LaserItem specificsBrand Name:Green Laser Pointer PenLight Color:GreenBattery:2 x AAA Batteries(not included)Type:Laser PenFeatures:NEW Powerful Green Laser Pointer Pen Beam Light--5mWSimply push the button then you can see the striking green beam of light shoot forthIt will be used to point at any desired targets on projection screens，video monitors， and presentation graphicsAlso can be used for forensics， illumination， indicating， alignment，sky pointing (astronomy) or just being coolOutput Type : Fixed focus， continuous output and working time of over 5，000 hoursBest choice for teachers， professors， doctors， Presentation， Tutorial， and Office Meeting and so on.Clearly visible in the dark.Note:The light beam is extremely strong， we suggest not to use it in class， and it is mainly used for outdoors.Object:1.Field travelers / climbers / explorers -for outdoor adventure，indicating distant targets and sent out distress signals to make your trip more interesting， which is the preferred equipment for outdoor activities.2.Amateur astronomers-for observing the astronomy. The light beam is a beautiful green line， and it is suitable for observing the sky at night， and it can be accurately located the position of the stars.3.Stope / construction workers -for remote indication / buildings measurement. It can keep you from the dangerours area4 Military command or exercise-for locating the target in the air or in distant and you can show that to your subordinate.Specification:Color: greenPower : 2 x AAA Batteries (NOT INCLUDED)Packing content:1 x green laser pointer