Wireless Presenter Laserpointer

Laser pointer is a great tool for Powerpoint presentation. With it, you don't need to stand before your computer or have an additional person click the slide for you! The laser pointer works as laser pointer, a optical mouse, a PC remote and a multimedia keyboard.The laser pointer comes with a transmitter and a USB receiver. FunctionRemote Mouse,Lift & Right Click, Page up/down,Blank PresentationFrequency2.4GHzDistance25Meters/ 82 feetUSB Portplug and play , USB 1.1 or USB 2.0 for ReceiverLaser ClassClass II Laser ProductWeight78g (included Receiver)Dimension118mm(L)*52mm(W)*26.7mm(H)Voltage2.4V 3.6VInuse Current3.0mA 6.0mARest CurrentUnder 20uA (Secondly Rest Current:under 2uA)Laser Current25mA 32mABattery Type3V Button BatteryBattery Life5 Months(typical)System RequirementsWindows 98/2000/XP/Vista Mac8. X&UP