KV: 2450Max Efficiency: 80%Max Efficiency Current: 4-10A (>75%)Current Capacity: 12A/60sNo Load Current 10V: 0.5ANo. Of Cells: 2-3 Li-PolyMotor Dimensions: F27.5 x 30mmShaft Diameter: F3.17mmWeight: 47gIncluding: 1 set 2212 2450KV Brushless Outrunner Motor with Mounts and other parts