Check the listing for details. LOGITECH Trackman Live Wireless Remote Pointing Device. Condition: Used. Listed at 18.51 USD. LOGITECH Trackman Live Wireless Remote Pointing Device For flawless presentations, Trackman Live! Offers a radio wireless solution that lets you control presentations from up to 30 feet from the computer without pointing the device at the system.FeaturesDigital radio technology works up to 30 feet awayCustomizable buttons for previous slides, ESC, or other functionsHighlight important pointsRequires 2 standard AAA batteries (not included)Works without pointing at your computerMove presentations forward or backward with easeSystem Requirements:IBM compatible systemWindows 3.1, Windows 95, Windows 98, or Windows NT 4.0Available serial or mouse port (PS/2)3.5" disk drive Note: This Unit is in very good working order and have visible blemishes from usage This Auction includes what is on the picture: Remote Pointer and PS/2 transmitter04-07-22/M