Ideal for professors, business professionals, lecturers, teachers, students. Red laser pointer.Laser pointer with RF wireless control is a new patent product designed specifically for computers and multimedia projectors. In addition to the traditional usage of laser pointer, it also has the novel function of turning the pages displayed on the screen of the computer up and down by simply clicking the Page Down and Page Up buttons via wireless control. Now teachers and lecturers no longer need to stay beside their computers, they can walk freely in the classrooms or meeting halls, with near distance and more interaction with the audiences.Pages could be turned freely and silently, and highlight effects can be obtained in their presentations.No PC programming and Software required, Just Plug and play function.Works on any computer using a USB Port.Remote control range over 5mUses thousands of ID numbers to avoid Multi-User interference.Built-in laser pointer with Page Down / Page Up buttons. Pressing and releasing the Page Down / Page Up buttons are equivalent to hitting the Page Down / Page Up keys in the computer’s keyboard.RF wireless link, no necessary to point the pointer to the receiver.Pointer only needs one 23A size battery. Very low power usage.New power saving technique is taken to prolong the battery’s life.USB1.1 interface, plug and play, automatically code study and easy to use.Pretty small receiver, human factor engineering considerations for long time use.Advanced RF design, very low level emission, which is green, health and environment protecting.How to Use the Mouse :Plug the receiver into the USB port. The receiver’s LED will flash several seconds, meanwhile, clicking the Page Down / Up buttons of laser pointer, it’ll stop flash, that means start the code study , then ready to work.Study-key functions :1) Pressing about 8 seconds, till “Light” button off, means delete all memory.2) After that, press smoothly, then light button on, means start memory.Meanwhile, press the Up or Down smoothly, the receiver flash, it means the code-study is successful. At this time, Receiver and Laser Pointer is one-to-one connected, no other pointer will make this receiver works.3) If needs the receiver being remote-controlled by other laser pointer, press Study Key smoothly, while Light button flashes, press the Up-or-Down Key,then will see receiver Light button flash, that means it works By this way, the receiver can being remote-controlled by 40 laser pointers.4) Product out of factory, at the state of ready to start memory. User can plug the receiver into USB port of computer, then it’ll start.Notification :1) The pointer is guaranteed to work in a range of 7-15 meters in an electromagnetic interference-free environment. Using computers seriously violate the EMC standard may shorten the operating range of this product . A USB extension cable is suggested to be used in such situation to avoid the direct interference.2) The anti-jitter function is provided in this product to avoid unwanted continuous page turning. It is suggested to press and release the button stably, to ensure an effective operation.Technical Specifications : Wavelength : 650nm, Output : 1mwLaser distance : Over 200m. Control distance : Over 15m.Handheld Unit Power : 23A ( Battery Included )Supports Windows98/ME/NT4.0/2000/XP/2003/Vista/7.0.Application : Laptop, Netbook, Notebook & Desktop computers.Product size : 15 cm x 7.5 cm x 2.2 cm ( Including Carry Case )Product weight : 105g ( Including Carry Case )Product color : Black.