The ADJ M-101HD is a heavy duty mirror ball motor for use with mirror balls up to 20" in diameter. The M-101 is a 1-RPM mirror ball motor - meaning it does one full revolution per minute. Also available is the M-103 which is a slightly faster mirror ball motor at 3-RPM.
Need DMX control? Be sure to check out the American DJ MB-DMXII. And for those looking for a mirror ball motor for up to 39" mirror balls you'll want to take a look at the ADJ HD MB40KG.