2.4GHz Wireless Multimedia Presenter trackball mouse PowerPoint with Laser Pointer.  650nm Red Laser Pointer and Optical Trackball Mouse. Advanced 2.4GHz radio frequency (RF) Technology
 Remote Controller provides access to PowerPoint, Word, PDF files up to 50 meters
 Three-button design for E-mail, Internet Browser, Desktop, My Computer favorite programs
 Laser color: Red in Class II
 Wavelength: 650nm
 Laser switch "push button". Continuous wave output
 Rubber surface for comfortable use
 M1/M2 switch functions
 Buttons: Alt / Tab or ESC, mouse left button, right mouse button, Page Up / Down or zoom in / out
 LED indicator
 USB plug-and-play feature
 No software downloads, no driver required.
 USB 1.1 / 2.0 connection
 Laser distance: up to 200m
 Remote access: up to 10m
 Supported OS: Windows 98, 98SE, ME, 2000, XP, Mac OS Linux
 Accessories: USB cable, USB transmitter, 2 x AAA alkaline batteries, English manual, nylon carrying case
 Unit dimensions: 125 x 51 x 47mm
 Net weight: 55g