Meade Instruments 07505 No.505 Cable Connector Set for No.497 AutoStar and AudioStar Equipped Models (Black) Designed for use with no.497 Autostar and AudioStar Connects the telescopes hand controller to your PC Ability to guide the telescope on your computer screen is made possible with the appropriate software Includes a 6-foot RS-232 cable and a DB-9 serial adapter Comes with a 1-year limited warranty