... 1.5 kg motor 1.Power Lock.Robot 2.Optic equipment.Medical apparatus 3.12v dc gear motor GM13-030PA, 1.5 kg motor 1 ... .Low noise and current2.Reduction Ratio: 1/3,1 ... /10,1/35,1/63,1/86,1/115,1/150,1/250,1/3603 ... 171.7550.61 GM16-030 mini motor of 1.5 kg motor