... .Gearbox Dia: 50mm 51mm dc gear motor,Can be equipped with encoder 1.Widely used in =====robot,lock. Auto shutter, USB ... machine, Towel dispensers,=====Automai\tic doors,Peritoneal machine,Automatic TV rack,=====Office equipemt ,Household appliances,Automatic 2.Voltage:3-24V3.Speed ... Torque: 300kg.cm5.Low noise,low current no spark6.Motor with encoder,12 pulse signal7.Reduction Ratio:3-10008.size:51 ...