The MOOG QuickSet QPt 90, 115 VDC DC drive gear motor and worm drive designed for precise positioning in industrial automation and motion control applications. Very strong. Can handle loads of 100 pounds. Great control for satellite and ham radio security systems. Has built in limit switches that are adjustable 0 to 180 elevation and 0 to 360 for azimuth. comes with pigtail harness for power. works great. this is very high quality unit that came off my antenna mast. it weighs about 35 pounds. please ask any questions.