"100% Brand New.Color: BlackProduct Dimensions: 13.5x2.3x1.8cm(5.3 x 0.9 x 0.7 inches)Power Supply: 1 x AAA BatteryLaser Color: RedFunctions: Page Up， Page Down， Laser Pointer and Play PPTAdvanced RF radio frequency technologyUSB receiver is plug-and-play， no drivers requiredPage up and page down functions with integrated laser pointer.Ideal for PowerPoint or computer presentationsIdeal for PowerPoint or computer presentationsRemote control distance: 20m (60ft) Radio Frequency; 15m (45ft) InfraredPresenter includes page up and down buttons and built-in laser pointer. Plug and play with no software to install. Simply plug in the USB and your ready to start your presentation Supports PowerPoint， Word， Excel， Web， ACD see， Acrobat reader and more Wireless range: up to 60 feet Wireless Technology: Radio Frequency (RF)Wavelength:630nm，output power :<0.05mW， Operating system: Windows 98/2000/XP/Vista/7/8， Mac OS， LinuxPackage Content:1 x Laser Remote Control Pen1x USB Receiver1 x Leather Gift Bag Case"