It's downright incredible how cheap laser pointers are these days. Lit up 30 years ago the laser diode is the basis of all of the world's cheap lasers, you can get a decent one on EBay less than 10$. Laser pointer is very useful, and one of its most popular usages nowadays is wireless laser presenter.
At some point or another in everybody's working life, a presentation in front of one's peers, colleagues, or customers is inevitable. Laser presenter offers a very nice alternative to remaining tethered to a PC while cranking through the PowerPoints. In fact, as the product name so ably illustrates, the wireless laser Presenter not only gives presenters the ability to walk away from the PC showing their slides, it lets them highlight key information items on their foils with an intense spot of bright light.
Most wireless laser presenter combines office help functions to simplify the process. Functions like advance or reverse the slide deck, scroll page up and down and more. There are two kinds of technology - FR and Bluetooth wireless technology both enables 10 meters effective range. To handle it, simply plug in the USB dongle to the PC, then pairing the laser presenter with dongle, ok well done. Due to high efficiency, though powered by two or more battery cells, it can last for days to use.
Green laser pointers are nothing special these days, either. People think green laser is more visible because human’s eyes are somehow 10 times more sensitive to green light than red light. Even the green beam can be seen at some high power green lasers, and the dot is clearly visible on bright surface even sunlit surface. Choose a green laser will helps your audience easily catching the dot and thereby your points in presentation.
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