Celestron SkySync GPS Accessory Add GPS to your Celestron computerized telescope and get time, date, and location downloads from orbiting Global Positioning Satellites. This 16-channel GPS module plugs into your telescope’s hand control or the auxiliary (AUX) port on your drive base and then mounts to a tripod leg to stay safely out of the way with included straps. SkySync makes it easier to align your telescope while keeping your date and time updated. Additional Features: Upgrade your Celestron computerized telescope to GPS with SkySync Improve the speed and accuracy of alignments with 16-channel GPS Automatically updates the time and date Plugs into the AUX port on the base of the telescope Compatible for all non-GPS Celestron computerized telescopes In the Box Celestron SkySync GPS Accessory Mounting Straps Warranty & Manuals 2-Year Warranty