Orion 7826 EQ-1M Electronic Telescope Drive Precision mini-motor attaches to your Orion EQ-1 equatorial mount to allow motorized tracking of celestial objects Motor drive provides regulated sidereal-rate tracking in right ascension Hand controller has 2x and 8x speeds and pause mode Includes motor, controller and battery case. Runs on four D-cell batteries (not included) Fits Orion EQ-1 equatorial telescope mounts