Orion 7829 EQ-3M Single-Axis Telescope Drive<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> Precision mini-motor attaches to your AstroView equatorial mount for automatic tracking of celestial objects </span></li><li><span class="a-list-item"> Electronic motor drive provides regulated sidereal-rate tracking in right ascension </span></li><li><span class="a-list-item"> Drive controller has 2x， and 8x speeds and pause mode </span></li><li><span class="a-list-item"> Includes motor， controller and battery case </span></li><li><span class="a-list-item"> Runs on four D-cell batteries (not included) </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41pIfPacctL.jpg" noproxy>