Green laser pointer are translated as laser pens

Sometimes,  green laser pointer  are translated as laser pens. Laser pointer to use a AAA (7) dry batteries as a power-driven. Principle from the technical point of view, this is called "multi-function wireless mouse laser pointer integration of the two block devices by infrared generator to complete the computer-controlled 2.4GHz wireless mouse and additional functional modules for on-screen instructions.  Cold and looked like a pen  Body cylindrical  Similarity with the whiteboard pen size At the top of the laser pointer, containing a USB adapter in Windows XP, Windows Vista, are free to drive adaptive,
Taiwanese call  green laser pointer  as wireless presenters.  but also through our practical tests, this product in Microsoft's latest Windows 7 system can also be perfect compatible.  Top of the fuselage The body design is relatively simple, the top is a clip design, the laser pointer can be caught in the pen pocket of the jacket pocket or package, the pen side has a small paddles is the total power switch, toggle to open toward the tip direction.  Power switch  Back The back of the battery compartment, use a 7 (AAA) battery-powered. The pen body is facing since the tip up a total of four buttons.
the bottom of the radio button for the laser transmitter switch in the master switch is turned on, press this button to launch a red laser to facilitate the focus of the speech on the projection screen marking and emphasis. According to technical parameters provided by the manufacturer. Similar to Chinese, foreigners name  green laser pointer  with various names. the laser emission of the laser wavelength is 650nm, the maximum output power of 5mW. The laser is a high intensity light radiation device, the laser on the human body, especially the human eye have a serious injury, be extremely careful when using.
International laser safety warning signs of a unified classification and a unified observed in the light tree, according to the risk classification of the laser on the human body, the maximum possible impact of the MPE (maximal possible effect on the eye) as benchmark, the laser is divided into four categories (Class1 the ~ Class4), a laser is safe, the two types of lasers on human lighter injuries, more than three types of lasers have a serious injury when used, should pay particular attention to avoid direct human eye.   green laser pointer  is known as remote control laser products in English.
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? laser pointer    There are also foreigners who call it wireless presenter.