... ratio:1/3.6,1/4.25,1/12.96 1/18,1/46.66 gear motor:GMP56-62107 ... Rolling Door 2.Automatic Ceiling3.size:164.0*62.0 mm,62 mm length micro planetary motor4.Reduction Ratio:1/ ... 3.6,1/4.25,1/12.96, 1/18,1 ... 66,1/55,1/65.03,1/77,1/167.96, 1/198,1/234,1/276,1/3265.We ... 024.0180.55152.517.0173.0304545910.8 GMP56-62107,62 mm length planetary gear motor