Logitech R800 2.4 GHz Wireless Professional Presenter Type: 2.4 GHz Wireless Distance: 100 ft. (30-meter) effective range Receiver Interface: USB Laser Pointer Supported: Yes Color: Black Operating System Supported: Windows XP, Windows Vista, Windows 7 System Requirement: USB Port Package Contents: Logitech Professional Presenter R800 Wireless mini-receiver 2 AAA batteries Carrying case Quick-start guide