High quality light weight brushless motors with rotating case, suitable for all models of 200-600g. Motor is accurately CNC machined for smoother and quicker running.Bearings are made of high temperature and high carbon steel. Number of cells: 2-3 Li-Poly RPM/V: 1200 RMP/V Max. efficiency: 82% MAx. efficiency current: 7-16A(>75%) No load current/10V: 0.9A Current capacity: 16A/60s Internal Resistance: 150mohm Stator Dimensions: 22 * 10mm Shaft diameter: 3mm Recommended model weight: 200-600g Recommended prop 9*4.5, APC 10*5 package Includes: 1 x brushless motor