... 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 ... Typical ApplicationsDescriptionPower Lock,MonitorPrecision instrumentMini mechanism,Robot,Financial apparatus DVD for automobileGear motor reduction ratio:3,10,17,35,63,86 ... .050.4720.370.171.7550.61 GM16-030 mini motor of 1.5 kg motor