ITEM NAME:DC 3V-6V 5V 55RPM Reduction Gearbox Slow Speed Micro N20 Full Metal Gear Moto OZ Specification: 1.Suitable voltage: DC 3V-6V 2.Rated voltage: DC 5V 3.Motor size: 10*12*15mm(N20 Motor) 4.Gearbox size: 10*12mm 5.Output shaft diameter: 3mm(flat shaft 2.45mm) 6.Output shaft length: Model A:10mm; Model B:8mm 7.Gear ratio: 1/298 8.Weight: 10g 9.Data: Rated voltage:DC 5V Rated load: 200g.cm No-load speed: 55RPM( ±10%) No-load current: 48mA DC3V:32RPM/35mA;DC6V:65RPM/56mA Package inlcuded : 1PCS.No-load speed: 55RPM( ±10%). Motor size: 10 12 15mm(N20 Motor). Gearbox size: 10 12mm. Gear ratio: 1/298.