Bresser EXOS-2GT GoTo Computerized German Equatorial Mount. Package includes the mount, polar finder, tripod and hand controller. The GoTo System database includes 272,994 astronomical objects. Precise ball bearings in both axes ensures minimal backlash at all nine possible tracking speeds. The included battery pack (12 V) takes eight size "D" batteries. The mount rests on a very tough and rigid stainless steel tripod with adjustable 2" legs from 26.8" to 42.5" and can support up to 28 lbs. of equipment. One 9.9 lbs. counterweight included.