NOTE; White=CW Black=CCWDescription:Battery (Cell Lipo): 2-3S (tested to work with 4S)KV: 2300Length: 34.6mm including prop adaptor， 13.2mm excluding prop adaptorWidth: 27mmDiameter: 27.5mmProp adaptor Shaft Diameter(mm): 5Long-life Japanese NMB ball bearingsEfficient Japanese Kawasaki stator steelRare earth magnets stable up to 180Oxygen free pure copper wiresCNC machined aluminum caseSilicone wire leadsPatented balance techniquesUnique wiring method1 x right hand thread brushless motor (CW)OR 1x left hand thread brushless motor (CCW)