Please note: This text was taken directly from the manufacturer.
Pop one of these precision mini-motors on a compatible Orion or Celestron equatorial mount and track celestial objects automatically. It'll make observing easier and more fun! Drive provides regulated sidereal-rate tracking in right ascension. Hand controller has 8x speed and pause mode. External disengage allows coarse movement of the scope by hand with motor attached. Includes electronic motor, hand controller, and battery case. Powered by four D-cell batteries (not included).
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