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The green laser is a wonderful device and a must have for presenters and educationists. It can be used indoors and outdoors and is also applicable for use in expeditions because its size and design makes it easily portable. This device comes with a small laser which can highlight anything that the user wants to. It is 50 times brighter than a red laser. Green is the brightest color and the effects produced by it make sci-fi movies. The beam from the green laser can be viewed in versatile environments and is not harmful to your eyes as the output power is not too high. The pointers use DSSFD technology short form for diode pumped solid state frequency which plays a great role in making the beam visible in any environment. Green lasers are mostly used by astronomers to reveal constellations and stars in the sky. They are also applicable in construction engineering to aid in rescue missions because the beam is often too strong to miss. They vary in size and design and you can just choose one that suits your needs. Green laser pointers are applicable in many fields including education, astronomy, business and expeditions. Astronomy green lasers are available from 150mW all the way down to 5Mw. You have a great range from which you can pick your choice. The low power 5mW green laser is used for short distances and when the atmosphere is good. The high power laser is used to view distant objects. Only green lasers with high wattage will be effective in star watching and other astronomical tasks. When selecting green lasers, it is important to pick a strong one; 50mW is good for combat conditions because it makes it easy to spot troops who are going to be attacked. A design that can be mounted on a rifle is very suitable for a person who is in the tough conditions of combat. Green lasers use batteries which are either rechargeable or that can be changed once the current ones are exhausted. In combat situations the common AAA size batteries are ideal since soldiers will find it hard to find a power outlet to recharge batteries. However, while at home you can use rechargeable batteries.
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