Introducing the iOptron SkyTracker Pro, now with the iPolar Electronic Polar Scope. What makes iPolar unique? 1.Can be easily installed inside the RA shaft on all iOptron equatorial mounts (except SmartEQ Pro). 2.Can be used on any mounts with adapters either internally or externally. 3.USB plug and play (no driver needed) 4.Works globally, no need to set northern and southern hemisphere. 5.No visible Polaris (north) or Sigma Octantis (south) necessary. 6.No need to rotate the mount during polar align. iPolar is a smart electronic polarscope for dummies.