the Class IIIA of the generally believed that the human eye is unsafe exposure causes eye

The occasion of the brain, simply open the write-protect switch, you do not have to worry about virus infection of files on the Micro SD card. PPT flip  green laser pointer  is mainly used in the controlling of the PPT’s page.   Demonstration tool for English Dache  If you are a regular walk all over the country for business projects for presentation to explain the user, then I believe you must be very concerned about the podium and projection screen in the placing of the venue layout,
The laser pointer belongs to the Class IIIA of the generally believed that the human eye is unsafe exposure causes eye and retinal damage in this laser beam, and therefore can not be exposed to this laser beam or look directly at the laser beam . Need to pay particular attention to use.  Infrared button Turn up the smallest circle with arrows indicate the button to complete the function of the right mouse button the top of a slightly larger round button to complete the left mouse button functions, this way, we can completely divorced from the podium by the computer controlled projection screen easy to control. So you will ask me how to control mouse movement? There are also foreigners who call it wireless presenter.
 English Dache (INDACOL,), currently on the market YD-04 Wireless Presenter is quite advanced, even with a remote control, you can control the computer page. The remote control can also be some computer operations, this feature is very useful, directly to the speaker from the computer where freed, your body movements once again become an effective tool to convey the speech content, the charm of speech is no longer masked by the cold computer.  Of course, the difference of good and bad, unreasonable use of these remote control laser pointer to make bathing your whole speech, giving a bad impression.  green laser pointer  is called, Wireless Presenter, too.
  Here is a brief review of the basic principles of remote control  green laser pointer .   In addition, many of my friends may encounter this problem: during the day with good refers to the star pen, how to night on the "no power" it? Refers to the star pen with laser-produced media, semiconductors, and various characteristics of the semiconductor is very sensitive to temperature at low temperatures, laser pointer can not work properly, simply hand over the laser pointer for a while, let temperature to 20 degrees or more, the pen will be able to work properly, if not, it may be time to replace the battery.  
 The features of  green laser pointer  of different names are not the same.    Any directional restrictions. The remote control distance of up to 15 meters, so you also can freely control the PPT flip up and down even in a large demonstration space. To meet international safety standards for Class II laser module, the maximum output power greater than 5mw, and pet safety And laser distance not less than 200 meters. USB standard protocol, compatible with USB1.1, USB2.0, USB3.0, USB interface, greater than 5mw, Plug and Play Do not need to install any special driver Support includes Windows 7, including Windows 98, Windows 2000, Windows XP, of Windows Vista.  
 The reader has a write protection, write protection status more secure file storage, virus-free. Use of public power in the classroom, etc.
articles from:
http://greenlasersight.iloveblog.com/2012/04/06/having-a-cool-portable-green-laser-pointer-is-a-dream-of-children/
http://greenlasersight.trustworthycash.com/2012/04/06/others/you-will-be-able-to-create-your-own-green-laser-pointer.html
http://greenlasersight.mon-blog-minceur.com/2012/04/06/you-will-be-able-to-create-your-own-green-laser-pointer/
http://greenlasersight.afrobeatradio.net/pen-like-single-bulb-torches-can-be-transformed-into-green-laser-pointer/
http://greenlasersight.87741rhino.com/pen-like-single-bulb-torches-can-be-transformed-into-green-laser-pointer/